DIY $50 EMERGENCY WATER FILTER

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[tedtupitza]

I think you have it backwards. In my opinion the charcoal should be on the bottom, with the fine sand on top of that and the gravel on the very top. That way when you pour water in, you filter out the big stuff and the sand layer cleans it more, then, the charcoal takes out the very fine particulate.

[GothPanda]

A couple of things that might be good to know:

Reversing the order of the filtering buckets would extend the life of the charcoal, at least slightly. It'd make sure that the larger particles are removed before the water hits the charcoal, and allows the charcoal to keep more ability to remove finer particles and contaminants.

Charcoal gets its filtering ability from its surface area. The finer you can get that powder, the more surface area, and the better a job of filtering it'll be able to do.

You can put an additional layer of clean sand at the bottom of the charcoal, and that'll keep the charcoal from getting into the water, and will make the final result a bit cleaner.

This will only really work for particulate contamination. If there's a concern about chemical contamination, either to the filter media, or the water itself, this wouldn't be advisable. One of those things where you'd need to tailor the solution to the situation at hand.

[ljl]

I love these types of videos. We need a No Grid series! About to buy the book

[samrackham]

About 2 years ago I would of said but why would I need this but fast forward to now, I’m saying I need to make one. Cody is really teaching us valuable knowledge we all need to take on board

[PhotogPhotog-skip]

Question. Shouldn’t the charcoal be the last stage of filtration, not the first?

[christiancruz]

I would change the order of the filter media. The water to be filtered should make contact with the coarse filter media first and then the media should get progressively finer as it passes through the filter chamber. Other wise you clog up the finer material by asking it to remove large debris (which it will). With the charcoal as the first stage of filtration you will need to replace it more often.

[BethGrantDeRoos]

I getFREE food grade 5 gallon buckets with lids from local grocery store bakery departments.

[selder]

Great video. Simple, to the point and 100% needed. Thanks again

[WhySoManyPasswords]

Shouldn’t the layers be rock/sand/charcoal/filter media (cheese cloth or cotton fiber)?

[asymmattrical]

@Wranglestar Very nice, quick little video!!

As with others who have already commented, I have only ever seen this concept executed with the charcoal being the final medium. I’ve also seen a top fibrous layer as well as or instead of rocks.

This has prompted me to experiment and make my own. Thank you!!

[jakeshowcaze]

What’s the purpose, or gain from cruising around with no shoes?

[Misterkill]

Thanks for the info. I will add this book to my small collection.

[littlejoey]

Nice video. With the chaos in the world currently, I’ve been trying to prepare a little more and I’m gonna add this to my home kit. I like that all the materials are easy to source even if the world is shutdown. Also, thanks for all your videos, been watching for years now.

[lawsonium]

I always thought the charcoal was the last stage, not the first.

[XRayStarGaming]

I expected the charcoal to be after the larger mediums.

[TylerFernandes]

This is great. Would love to see the one about generating electricity with a bicycle.

[matthewstanko]

This is great, I hope we can see more useful videos coming soon.

[shawnshadle]

Awesome video nice to see how to actually make one of these filters without just diagrams and pictures

[andrewklope]

You should check out the Platypus gravity bag filters, they are high volume and work great. Hang a 4L bag of dirty water, and it filters through basically a high flow lifestraw into separate 4L clean bag.

[bl]

Apparently tractor supply buckets are food grade. That’s why I buy them