How to Make a Homemade Water Filter

by Erich

This post is sponsored by Prepper Academy, the only preparedness program that shows you step-by-step how to rapidly prepare for the coming hard times — no matter what your income or where you live.

In a SHTF situation, clean drinking water is a must. Why spend hundreds on a filter when you can make a quality one at home for a fraction of the price?

If things were to go south and clean drinking water became unavailable, your Brita filter is not going to cut it.

Having a quality filtration system that can turn contaminated water into life-saving drinkable water is an absolute must for every preparedness-minded person. Despite knowing this, many preppers will hold off on buying one because of the price.

Why wait? Instead of dishing out your hard-earned money on a $300 filtration system, you can make your own for well under a $100.

In this article, I’ll be showing you how to make a quality filtration system that compares to the big-boy name brands but at a fraction of the cost ($30 to be exact).

What you’ll need

  • Two 5-gallon food-grade buckets and lids – You should not need to pay for these. Most bakeries, grocery stores (the bakery section), and restaurants will give these away for free.
  • One or more quality filter elements – These can be any of the Berkey style candle filters or thicker ceramic filters (which I use in this post). You’ll want to find one that has a filtration efficiency of at least 0.2 micron and exceeds the NSF (National Safety Foundation) standards.
  • A spigot sells a great filter and spigot kit (which I use in this demonstration) for only $30. All you need to do is supply the buckets. If you’re interested, you can get it here.

How to make a homemade water filter

Making your own homemade water filter is a very simple process:

Step 1: Drill a 1/2″ hole in the bottom of your top bucket for each filter element (if more than one):
Step 2: Place the top bucket onto the lid of the bottom bucket and using the hole(s) you just drilled, trace a circle onto the bottom-bucket lid with a marker:
Step 3: Using the circle mark(s) as a guide, drill another 1/2″ hole in the lid of the bottom bucket for each circle you have drawn:
Step 4: Install the filter element(s) in the hole(s) you made in the top bucket (If your filter comes with a pre-filter “sock”, you’ll want to set that up before installing):
Step 5: Drill a 3/4″ hole on the side and near the bottom of the bottom bucket:
Step 6: Install the spigot:
Step 7: Place the top bucket onto the lid of the bottom bucket ensuring that you align the filter element nipple(s) wth the hole(s) of the lid from the bottom bucket:
Step 8: Fill the top bucket with water and in an hour you will have bacteria free water to drink in the bottom bucket:
Step 9: Enjoy the clean, clear, filtered water:

Testing out the filter

In addition to showing you how to make a homemade water filter, I also wanted to use this opportunity to test out the filter element that I got from

I already tried this test with the Berkey filter elements that I have (which passed without issue), but I figured given the huge price difference between the generic filter from and the British Berkefield ones, I wanted to see if I could drink the same stagnant water without any ill effects.

The water I used in this experiment is from a nearby small pool of water that resembles a small swamp. I’m pretty certain it’s loaded with giardia and other biological nasties.

Since this could potentially be one of the sources of water that my family would use in a SHTF situation, I want to be sure we don’t get sick from it. So now’s the time to test it.

My results


As you can see from the two pictures, their is a stark difference in clarity. Keep in mind that clarity is only the first step which means it’s good at sediment removal but it does not mean it necessarily tastes good or is free of biological contaminants.


After taking a taste, it was ok. There was a slight flat taste to it which is likely due to it not being very oxygenated since it’s a stagnant pool of water (similar to boiled water). I’m sure if it was river water or some other running source of water with a lot of oxygen it would have been better.

To ensure that I’m making a fair comparison, I did run the filter first through a couple gallons of tap water which tastes pretty good in our town.

For those that like more of an oxygenated taste, you can pour the water back and forth from one container to the other which will oxygenate it and improve the taste.


This is difficult to really test unless you have the right equipment. Since I don’t have the equipment, the best I can do is drink a few glasses and wait a week or two. As of this writing, it’s been a little over a week since I drank the water. So far so good. I have not had any ill effects like diarhea or stomach pains.


Despite it being a lot cheaper in comparison to the higher-end filter elements, all in all I found this filter to be pretty effective and would trust drinking any water sources nearby my house filtered with this element. Would I choose the Berkey elements over this one if I was in a Katrina-type situation where all I had to drink was flood water? You betcha. I think both have their place.

If you must have the name brand (Berkey does sell great filters), keep in mind that you only need to purchase the filter elements themselves. With those you can make the water-filtration system using the directions I detailed above. This alone will still save you over $100 dollars. You can purchase these filters at one of my sponsors, “” at the following link:

Otherwise, given their price, I would recommend purchasing a few of the filter kits for you and your loved ones (or for future barter). Again, you can get the kits at the following link:

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Comment by Bob
2012-04-19 11:54:02

The problem with your setup allows someone pouring dirty water in the top bucket to contaminate the outer surfaces of the bottom bucket. Everyone spills water pouring and if they say the don’t they are lying. When that happens handling the bottom bucket will always contaminate it and the contents,

I’d suggest separating the two buckets, placing them on a upper and lower shelf using a clear piece of tubing to connect them. Don’t place one over the other but offset them. It will minimize chance of serious contamination.

Another suggestion; consider staging the process with a prefilter of 10 microns or even 30 microns. Run raw water thru a 30 mic filter, then a 10 micron and finally a 2 micron. Will take extra buckets of course but your filter life of the 2 micron unit should be 4 or 5 times longer and 3 or 4 times longer for the 30 and 10 micron units.



Comment by Tactical Intelligence
2012-04-19 12:24:40


Some great suggestions. I particularly love the tube idea and will have to implement that for this setup.

thanks again!

– Erich

Comment by Carol Brombaugh
2012-04-19 12:11:29

Besides potable drinking and cooking water, each of us will need some amount of safe water for washing and sanitation. In order to preserve your filters for water going into your body, there are alternative ways to store water for other needs. Preventing spread of disease will be of great importance if hospitals, etc. are unavailable. Use empty plastic laundry soap or bleach bottles (don’t rinse, just fill with water) to store water for body or clothing washing. Just fill them up as you empty them during normal use, and stockpile in your garage or shed. Don’t store them with your food, in case they start to leak. Don’t use plastic milk jugs as they will definitey leak. If you are bugging out, this obviously would not be an option, but if you are bugging in, this option will extend the clean water you have stored for drinking and food prep.

Comment by Tactical Intelligence
2012-04-19 12:26:09


I love your suggestions about reusing the soap/bleach bottles. Never thought of that. Keep the awesome comments coming!

– Erich

Comment by Ralph
2012-04-19 12:28:25

Great idea. Was just wondering how long these filters will last and was there a way to clean them periodically?

Comment by Tactical Intelligence
2012-04-19 12:38:47

Hi Ralph,

The manufacturer says that it will last around 12 months of continuous use (14 to 17 gallons a day) and the ceramic element can be cleaned 100 or more times with a soft brush or damp cloth (cleaning is only required when the element’s filtration rate slows down).

Comment by Pup
2012-04-19 12:52:14

I am pretty sure the orange Homer buckets that Home Depot sells are food grade. I used them to store food (lined with milar bags). They can be bought for about $3 and a lid about $1.

I thought this article was going to show us how to make a filter out of sand and/or charcoal. Do we have an article like that, for when our Big Berkey dies?

Comment by Tactical Intelligence
2012-04-19 14:43:06

Hey Pup,

I am planning to do an article on that soon so stay tuned brother.

Comment by Brucifer
2012-04-19 14:10:27

If I were to truly have to use swamp/lake/river water with a whole lot of organic contaminants floating around in it, I’d first want to do a pre-filter through even a cloth sheet or something to filter-out at least some of the contaminate organic material and debris. Otherwise, your filter is going to get clogged and even with cleaning, will eventually loose a lot of its effectiveness and useful-life.

Comment by Tactical Intelligence
2012-04-19 14:44:43

You’re right on Brucifer. This particular filter comes with a pre-filter “sock” around it that will perform that duty for you. If you own filter does not come with something like that, than just filtering it through a t-shirt will do the trick.

Comment by 3%er
2012-04-19 16:19:44

Comment to Pups comment I have used buckets for hydroponics and non food grade buckets will leach into the nutrient solution and affect taste.if it is not labeld HDPE or PP they are not food grade but with a mylar bag one should be safe. try and stick with white buckets as they are food grade.

Comment by Tactical Intelligence
2012-04-19 16:51:04


Color is not always indicative of food grade. For example, the green bucket I used above is food grade (it originally had pickles in it).

You are right on about the mylar though. If Pup used mylar in his Home Depot buckets, they will be fine.

Comment by Matt in Oklahoma
2012-04-19 17:17:30

I have several of these and the only complaint i have is they are slow BUT they are as advertised

Comment by juan
2012-04-19 18:06:51

Dear ti ,i am new to the prep scene ,i find this site very informitve please keep it up thanks

Comment by scrambo
2012-04-19 18:41:09

what is the total life time gallon capacity of the filter you are featuring that comes in the kit?

Comment by hilltopprepper
2012-04-19 20:01:53

I have been getting green pickle buckets (food grade obviously) from White Castle for a pretty decent price. Fill buckets with clean water, drop in 1 cup of clorine bleach, put the top on and leave in the sun for a couple of days, rinse, pickle funk is gone. Still a good idea to use mylar bags for long term storage.
Have you ever used a slow sand filtration setup? They work pretty good, and for a long time before needing service. Dirt cheap too. Using cheesecloth on top will extend useful life before having to service the unit.
Since these units weigh about a ton, it is best used for bugging in.

Comment by Bill
2012-04-19 20:50:22

real world war story: after the Haitian earthquakes, i was boots on the ground in 6 days.
the clinic’s water supply was contaminated with e coli and chloroform. I used iodine pills, for 2 1/2 weeks, (supplemented wit 5 star Haitian rum). When MSF – French Doctors without Borders arrived they used the Berkey 2 bucket system for the patients. We treated about 400 per day. Y’all, it WORKS!!!

Comment by Silas Longshot
2012-04-19 21:29:14

Nice article, very useful for those on a budget but still wanna live! That filtering setup is also available on Amazon. We’ve used the ceramic Berkey for a very long time, just use a toothbrush on the filters every so often, it just keeps going

Comment by Kevin D.
2012-04-20 10:31:03

Pre clean your buckets with dish soap & water. Then use 1 cup of baking soda per 5 gallons of hot water, and leave in the sun for a few days. Then you can move to cleaning your buckets with bleach, BUT, use a good quality name brand bleach. Stay away from the Clorox “Splashless” and generic/store brands. They tend to have less sodium hypoclorite than a “good” straight bleach. My pickle buckets still carried a slight smell of pickles after using both the inferior products, but not after using the good stuff.


Comment by John Foy
2012-04-20 13:43:54

That’s good to know. I will visit the sites you listed in your article. I have sent this site address to some friends and they really like it. One guy mentioned grinding his own grain and I showed him your article on the grain mills. He came back later and was able to discuss a lot of other articles you wrote.

Comment by JayJay
2012-04-21 13:55:35

You never thought of that??

Just saying…every prepper knows to use juice jugs, purex jugs, any strong jug, etc. to store water.

2012-04-22 17:42:32

I use juice and old soda jugs all the time for drinking water, just never thought to use old cleaning jugs for grey water storage…learn something new every day 😉

Comment by countrymom
2012-04-21 15:04:56

If you want to speed things up a bit, my lids were very tight so we drilled a very tiny hole
near the top of the buckets to eqalize the air pressure and installed a 6-8 inch long drip tube to get the water to come out faster……worked great too. Remember the first time you use your filter it takes a while for the dry filter to saturate with water and you may also get a bit of charcoal sediment the first run through. After that , it’s perfect !!!!! KEEP PREPPIN’

2012-04-22 17:39:24

Great suggestion. Thanks

Comment by Jason
2012-04-21 22:42:41

I just have to say it, to the guy that says “you’d be lying if you say you don’t spill water.” . . I don’t spill water. There are ways to be careful. It’s a very good setup, and you’ve proven, yet again, why I keep checking up on your site, by testing your own setup to make sure you’re not leading your faithful followers astray. Thank you.

Comment by Steve Greene
2012-04-23 22:38:01

Great article! I do have one question. We were told years ago that an empty bleach gallon bottle, not rinsed, was good for storing drinking water for an indefinite period of time. One of your readers has implied that it is only good for washing & sanitation. Is this true or can the bleach bottle be used for potable water? The small amount of bleach is to preserve the water like chorline is used for water going into homes. It sounded good at the time but I would not want my wife or I to get sick from an old wise tale. We are small time preppers. We would like to be big time if the money allowed, but I’m sure that a lot of you out there are in the same situation. Thanks for any information!

2012-04-25 15:30:34

As long as it’s not scented bleach (no additives) and you’ve drained out the bleach bottle as best as possible, yes that will work. Even if the bleach smell of the resulting water is strong, you can leave it in a open container for a couple of days which will dissipate the bleach.

Comment by Bob
2012-04-24 22:17:59

Food Grade buckets can be had for free for nearly any grocery store that has a bake shop that bakes cakes. Because of sanitation/health laws they cannot reuse them and so they end up in the dumpster. Go to the bakery department and ask the manager to save for you and the be good enough to pick them up on whatever schedule the manager agrees to.

Comment by Chad
2012-04-25 13:58:56

Thanks for the great write up. There are mini-versions of this filter available for backpacks like Camelbak and others too.

Also, sells the mini-filters that come with a water bottle for your GO bag.

We have also experimented with putting a schrader valve (like what’s on a bike inner tube) on the top bucket and pressurizing it with a hand pump. Make sure you have a good lid (like a Gamma lid) on the top. It will increase water flow by about 5x’s!

Another trick is to add a 5/8th hose to the drip nipple (about 2 1/2 feet long) and that increases the flow (2x) as well by creating a siphoning effect.

2012-04-25 15:26:40

Some great ideas Chad. I’ll need to try out the schrader valve idea for sure.

Comment by Tammy
2012-04-26 13:23:57

I had seen the bucket/Berkey filter method for a while and debated between the cost of that version and the standard Berkey set up. In the end I went with the standard Berkey, namely because of the aesthetics and but I also wanted to add the fluoride filters. Preppers at times can get the ‘crazy’ look so having a couple of buckets (w or w/o hoses) and then explaining what it does can get exhausting. For my application it was no biggie for my friends and family to see a water filtration system since I drink so much anyway. I can then- at my discretion introduce the concept and importance of clean water and what it could mean in a disaster.

I would however be totally ok with the bucket version in a BOL. If I have to head there because the SHTF, I am in survival mode and buckets are A-OK.

Love TI- excellent info past and present!

2012-04-26 21:45:50

Thanks for the support Tammy!

Comment by stephanie
2012-05-02 00:46:59

the homer buckets are HDPE … walmart is also selling blue buckets 5 gallon 2.48 each also HDPE

Comment by Dan
2012-05-12 07:57:29

I know I’m late to the party here, but everyone is missing the important point about all this. Eric really took one for the team here – he did a bioassay on himself, to test his filter. By the posts above, he was still hale and hearty as of April 26th, and I assume he still is, but let’s stipulate that that was a gutsy move – no pun intended. That could have resulted in a miserable week of worship at the porcelain altar for him, or worse. Just saying.

As for future filter projects, I’d love to see a large-scale sand and charcoal filter built in one of those readily available IBC containers. Most have a huge cap on the top, perfect for shoveling material in, and a nice spigot with a good ball valve at the base. I could see a setup like that being perfect for a BOL meant to support a squad-sized complement’s water needs, You might even be able to run such a filter in a continuous mode if you had a source of running water.

Comment by Bayoucajun
2012-05-14 12:22:29

Before Katrina hit, my wife and I lived on a Louisiana bayou a little over 8 miles from the nearest road. We filtered and purified bayou water as well as collecting rain water. We filtered using a barrel of sand, then a canister filter from Home Depot for drinking water. Our cistern was treated with swimming pool chemicals. We were self sufficient for years in this way.Nobody ever got sick from drinking this water. At the time, I was writing for modernsurvival magazine. The articles and photos are still available.

John St.Romain

Comment by KC
2012-05-29 17:08:06

For those of you that have Firehouse Sub shops around, you can get food grade buckets with lids for two bucks each. The money the get from bucket sales reportedly go to local EMS to buy rescue gear.

These buckets previously contained garlic pickles and do require a good quality bleach to squelch the ordor. I use them to make Global Buckets and they are great.

Comment by J.James
2012-07-05 10:09:36

I have seen kits for this set up, but its nice to see the before and after of the water.

One of my favorite books on the subject, “Camping and Woodcraft” by Horace Kephart , has a section describing him and his hiking partner coming across a fetid pool with a dead dear nearby. They had no other potable water with them, so they boiled it in a large pot which they also filled with charcoal from the fire. (Think, a highball on the rocks.) It came out safe to drink, and the charcoal removed all the smell and bad taste.

I bet you could add a charcoal element to this setup to improve the taste as well. Either just add chunks of charcoal to the top bucket, or to reduce particulates that may clog the filter, you could maybe stuff some cheesecloth sacks with the charcoal.

By the way, that is a really great book. Written in 1917, so its interesting to read about how they did things and the materials they used back then. It is written in a narrative style, but it is still full of very useful information.

Keep it up!

Comment by Tactical Intelligence
2012-07-05 10:47:19

J. James,

Thanks for the great resource! I’ll definitely take a look at that book.

Comment by shadow
2012-07-08 09:16:13

the life of a ceramic filter can be extended by periodically scraping over outside with a normal vegetable peeler, works perfectly

Comment by shadow
2012-07-08 09:18:30

all new filters, including ceramic are supposed to be pre-soaked for 1 hr before use, it says this on the packets

Comment by Danez
2012-07-30 03:46:33

I also have read about using UV rays of the sun to purify water. What you need is PET bottles. After filtering sediments, fill about 3/4 with the filtrate and shake bottle to add oxygen(as said in this article). Then let it be under sun for a few hours. For gloomy days, maybe double the exposure time.

The intensity of UV is low, probably because of our ozone, so a few hours will be needed. Say, 3 or 4?

Comment by Linda
2012-08-15 16:41:20

Re: Danez

You’re describing a process called SOTIS. However, you need to get your time correct. In full sun-light you need to leave it out for six hours. If it’s overcast, it needs to be out for 2 full days!! Safety first!
OK, now you have drinkable water, but it’s HOT water, and you want a cold drink and you have no refridgeration! Now what?
In Africa the people use a simple system that works well. Place a porous (!) plant pot inside a larger one, fill the space between the two with sand, Moisten the sand and KEEP it moist.
Place your bottle inside the smaller one. Cover the top with a towel. the natural evaporation cools everything. In a few hour you have cold, safe drinking water.

Comment by Esther
2012-09-16 19:26:01

For us newbies, please explain BOL in parentheses after the abbreviation and the IBC container. I am really and truly a newbie and am trying to learn all I can. Thanks

2012-09-16 20:29:31


BOL is “bug-out location” and IBC is an “intermediate bulk container” used for water and other liquid transportation.

Comment by Helen
2012-10-30 01:59:43

What are your jugs made of? I’ve heard that most plastic bottles one can buy drinking water in can leach into the water. I’ve also read not to reuse plastic bottles because bacteria can get into the plastic and into whatever you put in them to drink. I think some plastics are safe, others not. Anyway, just wondering.

I’m new to this site (like you couldn’t tell!). Looking forward to learning more. Thanks for putting this up.

Comment by donbur
2012-11-02 14:41:59

I too was wanting a homemade charcol filter. I’m living in Trinidad, N.L. Mexico, and am making charcol from mesquite for cooking. I’m working with some other filters now, but would like to start learning to make my own. I once saw where just by running water thru the char left from, a campfire could be an emergency filter. This sounds alfully simple. Can I fill a 5 gal. bucket with my char and put a hole in the bottom?? May-be you know of other sites that could get me going with such a filter??? Thanks for the work you are doing. Donbur

Comment by kevin welsh
2012-11-08 12:51:31

How much wood could a wood chuck chuck if a wood chuck could chuck wood

Comment by Bonnie
2012-11-15 15:40:10

We have been using a Big Berkey filter for six years. The filters are still good…they filter everything, including bad taste out. I clean them with a soft vegetable brush occasionally.

Comment by Carlitos
2013-01-24 00:46:13

hahahahaha. These survivalists crack me up with their stories about water purification systems. The fact is that making distilled water is even safer without putting yourself as a guinea pig and wait for two weeks to see if you have any problems.

Comment by Tactical Intelligence
2013-01-26 16:01:44

Well Carlitos, if you’re without a heat source but still need water not sure how well your distillation methods will work…

Comment by David L
2013-02-10 04:10:20

A wood Chuck wood chuck as much wood as a wood chuch could if a wood chuck could chuck wood.

Comment by Luke
2013-02-23 15:27:03

My biggest concern is the sanitary quality of the containers over time….wouldn’t it be best to buy some type of large container (i’m thinking of a cast iron Dutch oven) that u can put right on the fire in order to boil your water before running through your filtration setup so as to avoid contaminating the filter containers …or is that not a problem with food grade buckets and berkey filtration systems ? (I can’t see how that wouldn’t be a problem, as bacteria is microscopic) If u, meaning anyone that would read my post, say that’s not a problem, what is your proof? I need solid facts, not “I did it this way for x amount of time, and never got sick….” You may have just gotten lucky with your water source not being contaminated with a certain bacteria or virus that would kill or make u very ill. If the safety of my loved ones and the safety of the community I live in depends on this info…as I educate them based info. I learn from this site…I want some cold, hard facts based on scientific research so I’m not putting their lives or health at risk. If I have to do some scientific research myself, that’s fine, but here’s a chance for anyone to back up their argument with some scientific fact.

If u, again meaning anyone reading my post, admit the sanitary conditions of the filtration system could be a probem, what would be the best way to sanitize each…both the berkey filtration system (meaning the big berkey containers u can buy online) and the food grade containers? Just store up a few bottles of bleach and rinse the containers daily with fresh rain water or some gray water you’ve stored in empty bleach bottles along with a bit of bleach?

Thanks ahead of time or any helpful responses

Comment by Tactical Intelligence
2013-02-23 15:33:11


Yes, bleach would be ideal to use but you won’t be able to store it up for too long. Bleach only has a shelf life of around 6 months. After that, bleach will lose 20% of it’s strength at around the year mark and then 20% each year after that.

The best thing to store up is Calcium Hypochlorite and make your own bleach solution. See this article for more details:

All the best.
– Erich

Comment by Luke
2013-02-23 16:46:46

Thanks! I didn’t know any of the info. u just gave me…that’s why this site is amazing!! Do u know anything about storing charcoal…like are there any problems with it like with bleach? Also, is there a specific type of charcoal that’s best? I’m guessing the kind used for grilling some barbecue wouldn’t be useful because of the added chemicals… I’m thinking having a bunch of charcoal that u could put in water when u boil it like Horace Kephart used to do would be a good idea, in case some selfish person were to steal the filtration system…such people are usually ignorant and probably wouldn’t understand the possibility of using good ol’ charcoal to purify water.

Thanks again and keep up the fantastic work!

Comment by dttat2458
2013-05-16 11:20:28


Comment by William W
2013-06-19 07:11:37

you do know that the majority of the plastic buckets that you find at the hardware store
are not suitable for filtering or storing drinking water. these buckets leach chemicals into the food or water stored. and you could have kidney failure due to these chemicals

you need FOOD GRADE plastic buckets… then this will work!

Comment by fab
2013-07-25 12:46:09

Interesting, while in Iraq the local water bottling companies did just this, after the water was bottled it was practice to let them sit in the hot desert sun several days before shipping them out. Cheap but apparently effective.

Comment by ADF_coyote
2013-07-26 04:42:20

Couple of things. First off, anything, and I mean just about anything synthetic/genetically manipulated/or what have you is not O.K. to store ANYTHING you ingest in. Isn’t that completely obvious? What happened when man created these things? Yes, that’s right, we become, ourselves, those very things we intake, empty, mutated organisms. GET AWAY FROM THE MAN MADE. (Biologically manipulated) You want to use plastic? Go ahead, guarantee you won’t just die from old age. Its porous, filled with toxins and is nothing but functional trash that we use. Especially if you’re using it every day of your waking life. And sure, you’ll survive for the time being, or until the storm subsides. Your future will be bleak therefore after. If you must use a container or box, whatever, use glass. The only thing you change with glass is sand, and yeah, that’s biologically manipulated, but A, that occurs in nature with volcanoes and B. that’s cellular change in density (not genes/making one thing with a million ingredients.) that’s what screwed us. It is so apparent, yet no one gets it. Glass, use glass, cherish glass. It’s everywhere and you can make it for free. Use your REAL survival instincts and innovate your own methods, with tips along the way. Ditch the plastic! Screw the CFCs, processed plant materials and so on. You could…. Invest in copper tubing and make a filter that way. Copper has been a staple filter since the beginning of processed and distilled alcohols. A lot of our regular tap water is run with copper piping because it acts as one HUGE LONG DI….FILTER!!! 🙂 C’mon man, we’re supposed to be the most intelligent beings on this inevitably doomed planet, why do we not show it? And yes, I am an ass. Thank you.

Comment by James Harvey
2013-07-27 20:35:12

You have given me an idea: Picture two 6ft pieces of schedule 80 PVC (water) pipe of 18″ – 20″ in diameter with 4 end caps. Clean rubber gaskets (3) between the two pipes at the locations of drilled holes for the filters. Three filters (of course) in the bottom of the upper pipe. Sigot at one end of the lower pipe. Fill neck on the opposite end in the upper pipe. All held together on a prefabricated metal frame.
You would end up with a large supply of clean water for the entire family without worrying about rationing. No cleaning buckets or wondering if they are “food grade”. Less filling of the top holding pipe. AND no worry about contaminating the lower pipe, as it is now a sealed unit.
Need to assemble one of these and work out all the bugs…

Comment by Tactical Intelligence
2013-07-28 11:57:42

Love to hear how this turns out. Keep us posted!

2013-09-02 06:42:52

Looking for whole home UV water filter system at Australia. Filtered Water Solution offers UV water treatment and UV whole house water filter systems which are great at sterilizing and disinfect home drinking water.

Comment by Bill
2013-11-27 11:31:37

You can also get it as an ebook at

Comment by Tactical Intelligence
2013-11-27 12:18:52


Thanks for the great link!

– Erich

Comment by Illini Warrior
2014-01-19 15:35:07

the paint buckets from home improvement centers ARE NOT food grade … just an urban legend that just doesn’t die …

Comment by Illini Warrior
2014-01-19 15:37:29

check the $$$ pricing $$$ on that PVC piping you propose …. the caps alone will be $50 ea

Comment by William
2014-01-20 12:21:59

I’m calling out your bullshit.

The title of your article is making a homemade water filter but you are using a store bought filter and not one that is home made.

The idea of a home made filter or improvised filter it make a water purification system to be used in an emergency and made from scratch using the materials around you.

If you want to make a home made filter that will filter out contaminants look up
slowsandfilter dot org. and you will get information on how to make a water purification system from scratch.

Comment by sarah
2014-02-11 18:42:38

so if you use the water filter once can you use it again because i am doing this for my science fair project and i ned to do the project over at least 3 times so if i buy that 30 dollar filter can i use it multiple times please reply thanks c;

Comment by Tactical Intelligence
2014-02-12 07:12:23


Yes it can be filtered many times. Depending how dirty the water is, you may need to clean the filter (which can be done with a dishwashing brush or scouring pad).

– Erich

Comment by Naomi
2014-03-05 10:47:56

Well I need to know how to make a filter under $30

2014-10-06 10:58:26

Wow man I can’t believe that we can make water purifier at home. I’ll definitely try it, thanks for sharing the post.

Comment by Troy
2015-01-12 16:06:59

Coffee filters make great “pre” filters and can be bought in large quantities for pennies.
I have a large quantity of these stockpiled. Just a thought.

Comment by yhfdrycfdrtyd
2015-10-03 18:49:24

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Comment by Sam Jones
2015-11-26 07:30:54

So creative Erich! I think it’s a good idea to address water problems all over progressing countries. This is a good start of hope. 🙂

Comment by s2man
2015-12-28 20:47:34

I have the parts for building one of these, in my preps, along with three or four other water filters. I plan to use a sari filter to pre-filter. That consists of at least eight layers of linen, your sari. Well used cloth works better than new, as the broken fibers catch more tiny stuff.

They say it traps 98% of germs and cuts disease by 90% in third world villages which use them.

I just found this site; I have a lot off l looking around to do… Thanks

Comment by focus engineerrs
2016-03-07 05:51:46

Thank you for sharing the great information.
Electromagnetic & Motorised Dosing Pumps

2016-03-09 05:46:25

鋼のや金のバージョンがとても類似しているので、私は彼らが両方ともである性質のいくつかを議論するのを許します。第1のケースのサイズは、古典的なオメガスピードマスタームーンウォッチスタイルの場合には適度の39.7mmワイドである。オメガ・ブラウンのストラップで彼らとペアを選びましたが、この場合において、白のコントラスト縫い目による美しいマットアリゲーターストラップ。ちょうど下の40 mmのワイドで、この服装腕時計のようにたくさん着、フォーマルな服装と長いそでのために良いことだが、その古典的な観察を絶え間なくオメガスピードマスターがまだあります。

2016-03-09 05:47:21

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2016-04-20 04:33:51

Great information. Such a very helpful Article and best way make a filter in a short time.

2016-10-02 08:49:46

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Comment by Sobuj
2016-10-28 10:11:18

Don’t you think this is time wasting for you.just choose a reverse osmosis system from a shop.

Comment by tushar
2016-12-28 05:09:31

great idea . we can conserve the water we throw away anywhere

Comment by HarryCen
2017-01-19 05:28:04


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2017-02-16 13:01:35

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Comment by Hannah E. Edmond
2017-06-01 07:37:54

There is no alternative to water. The process is very useful if you are moving here and there for survival. People have the possibility of surviving up to a week without food, but without water, they survive 2 and three days.Fresh or cleaning water is very rare if you are in an emergency situation or the wild. You have to decide the best way to get your water fresh. This site will help How To Make Water Purifier-

Comment by Julie Rider
2017-06-19 11:59:26

Nice blog…A tank less water heater is an innovative way to heat water for your house.
Bottom load water dispenser

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