It looks interesting in the video but would like to hear from anyone that has actually used it.
https://youtu.be/G-mOMOt11FI
https://youtu.be/G-mOMOt11FI
https://www.buyactivatedcharcoal.com/Zeke do you have a source for bulk ac? The katydyn branded packets are pretty spendy for 50 gallons processed.
Yes, some rated at .5 micron, but how to deal with the flow rate, the necessary size to achieve a decent flow rate?They should have spent their research time on carbon block tech instead.
You could skip the bottle threads and use a barbed fitting on the ends, they are about $3.50 each at Home Depot.After adding up cost for parts and shipping it’s cheaper to just buy the katadyn.
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First Need is good tech. Problem is that it is destructive technology. Good for only about 150 gallons on a $60 to $80 replacement cartridge. You will use up the cartridge fast and then you will have no replacement after SHTF in no time at all. It is the rich tourist option. Plus it isn't very portable on foot.I have friends that are heavily into RV travel and a group of friends that are into sail boating (around the world). They're all members of clubs and are up to date on the current trends in their fields. The RV folk generally fill their tanks at RV parks and gas stations where the water in generally safe and clean to begin with. They seem to be happy with filter like the Camco mentioned above.
The Sail Boaters on the other hand, have mentioned horror stories of filling their fresh water tanks in Caribbean docks and marinas and getting sick or seeing a sheen in the drinking water from fuel or chemical contaminants (from leaking fuel tanks at marinas too close to leaky fresh water tanks. The sail boaters in my group of friends have all settled on a purifier called the General Ecology Seagull IV which is popular in the sail boating community. The manufacturer has lab tests on their website showing greater than 99.5 percent reduction of many chemicals, pesticides, fertilizer products, bacteria and viruses. It's around $500 for the setup, but I guess you get what you pay for. They make a portable pump version called the First Need XLE thats around $110 on Amazon.
If a manufacturer does not list lab test results showing the percentage of chemical reduction, it's hard to judge whether it's .0005 percent chemical reduction or over 99.5 percent chemical reduction. Straining water through a tee shirt will likely trap a tiny percentage of chemicals, so one could conceivably sell a tee shirt in a tube and advertise that it reduces chemicals. An informed buyer may question to what extent does it actually reduce chemicals.
If the situation you're preparing for is a disaster preparedness, I think you have to assume chemical contamination is a high probability. Having a purification device that actually shows the level of chemical reduction (and of course bacteria and virus removal) would bring peace of mind.
The preppers in my group of friends have all settled on the Berkey Black filters for long term use on land for chemical and bacteriological reduction (Berkey posts the lab test results of the various chemical, pesticide, metals, bacteria and virus removal. Most over 99.5 percent removal).
People tend to try to justify that the products they invested in are good and its no difference in this post or any other. Your mileage may vary.
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It's your life and your money but you aren't doing it right at all. Brita, Berkey, and some unnamed straws? My condolences on your shortened lifespan.I use a simple Brita faucet filter for the house (city water), and a Berkey gravity filter for my "off grid" water supply. I also have several small, "single-use" ultrafiltration straws for backpacking, but have not really settled on one that I like best.
That looks to be a system that will work, and is compact.Ok, I decided to keep it simple and not build my own.
I made wire mesh for several years, even gold wire mesh. I really regret not dumpster diving for free scrap. When a wire loom would miss a shot, they would cut out a piece about two feet by whatever the width of the loom was.I sold woven wire mesh for several years to oilfield service companies.
Most assuredly this sub-forum is a place to dispel myths, and rectify delusion, and I have benefited from learning here.Don't worry too much about sediment filtration. Backwash works well enough for portable use. It would only be for a static setup where backwash became a chore too often where a prefilter might be advised.
That is a good kit. I am also building kits with much the same goals in mind, to fit in a Condor water bottle pouch.my goal was light, portable, safe, toxin free water filtration and I think I’ve got it now.