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Survival and Preparations Long and short term survival and 'prepping'.

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  #1  
Old 07-25-2021, 3:47 PM
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Default Is this a possible Water Prep Long Term Solution? - Creates Water from Thin Air!

"This GENNY Home Unit Creates Drinking Water From The Air"

https://www.forbes.com/sites/jeffkar...h=11ce37373619

"The solar version can pull in up to 3.5 gallons a day and is ideally suited to remote locations. It will sell for $5,000-$8,000 depending on location and configuration, starting in the third quarter, Harris says."

https://us.watergen.com/

"About drinking water from air"

"The production of drinking water from humidity in the air (AWG) is one of the most important and innovative water extraction solutions available today, used to tackle the growing problem of depleting levels of drinking water in the world. Within a decade from now, it is believed that 50% of the world's population will live in areas without access to clean, fresh, and safe drinking water."

Not sure if this is currently available for sale in USA, but if so, would this be a good prep for a long term water solution?
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Old 07-25-2021, 4:57 PM
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I think you need to understand the average electricity consumption per gallon of water for a given location before it is possible to judge whether it is useful.
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Old 07-25-2021, 6:44 PM
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This has been brought up in the forum before, try searching for it. However, the general consensus was no, it is not economical because of the amount of electricity required to refrigerate the collector, allow the moisture in the air to condense on it, collect and then treat it, usually with UV. To create enough for regular household use would require a rather large unit so it does not scale well. Living in a dessert with dry air, only reduces the efficiency as well.
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Old 07-26-2021, 8:50 AM
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Perhaps as hydrogen-fueled electrical cells proliferate and become more affordable, the water by-product of the process will create another benefit layer. Remote locations usually need power of some sort and wind and solar vary with nature which is why many people rely on generators as part of their power scheme.

In a damp environment, condensing moisture from the air works pretty well, I've played with it at my OR place where the humidity usually is in the 70-80% range and temps are under 70 max, using a typical window AC operating in open air. If the space is enclosed, the unit will dehumidify the air and loses effectiveness. Power is pretty cheap, 7 cents kwh but without capturing the waste heat/cold air, the unit is pretty inefficient.

I guess as long as the well pump works and the creek keeps running, capturing moisture from the air is something I'll leave to the redwoods and firs and cedars on the place. They do a pretty good job, some days creating their own rain.
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Old 07-26-2021, 9:22 AM
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I believe the only cost effective devices that do this efficiently are on Tatooine...
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Old 07-26-2021, 9:43 AM
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Its basically a really expensive Dehumidifier with more filtration. So the real question is would you like to "purified" grey water that is not only cost prohibitive but also may get you sick if 1 part of the multi-filtration system is not adequate?
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Old 07-26-2021, 9:44 AM
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I believe the only cost effective devices that do this efficiently are on Tatooine...
Dune as well.

A stillsuit might be even better though.
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Old 07-26-2021, 10:21 AM
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Interesting. Especially for humid zones.

It’ll be fine until the grubbynutt decides it requires a permit and AOC says your stealing the poors water right out of thin air.
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Old 07-26-2021, 11:13 AM
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Or you could just cover the California Canals with solar panels for a win-win 3rd world solution.

https://understandsolar.com/solar-canals/

Quote:
The project began in 2012,when the local government partnered with SunEdison, a US based company, to install a 1 megawatt (MW) test project over a ½ mile strip of canal. The project cost $2.6 million USD.

Once completed, Gujarat decided to continue moving forward, completing a 10 MW addition in early 2015. The installation cost $18.3 million and has a payback period of just 13 years. The electricity produced is mostly intended to provide power for irrigation pumps, as irrigation is a major source of electricity use around the world. Many organizations in the US are also looking into lowering energy use in this industry.

According to an article from India Times, the solar panels will annually prevent about 2 billion liters of water from evaporation. The water also cools the solar panels and brings them down to a more efficient operating temperature, producing about 7 to 15% more energy than if the same panels were located on land.
Butt Gavin Newsom, the Great Genius would rather spend the funds on Bullet Train to nowhere, Illegals and Bums (who are now homeless).
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Old 07-26-2021, 4:35 PM
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Solar powered a option?
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Old 07-26-2021, 5:08 PM
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How about that new innovation.

I learned how to condense water from air in 1962 in the Boy Scouts. Using a plastic tarp, a rock, and a hole in the ground.
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Old 07-26-2021, 5:30 PM
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Have been doing this in African regions for years. Small village type setting
Like fueling the cooking fire with methane generated by a sealed composter full of animal dung.
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Old 07-26-2021, 6:45 PM
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Solar still to purify salt water (or other waste water- even urine) is far more practical.
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Old 07-26-2021, 8:49 PM
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Thanks for the responses!
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Old 07-26-2021, 8:50 PM
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Quote:
Originally Posted by Epaphroditus View Post
Solar still to purify salt water (or other waste water- even urine) is far more practical.
Is there maybe a good solar still kit for sale somewhere that you can possibly recommend?

Also, how do you feel about a manual distiller like the one linked below?

https://www.amazon.com/gp/product/B0...KAV55ZXI&psc=1
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Old 07-26-2021, 8:51 PM
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Quote:
Originally Posted by pacrat View Post
How about that new innovation.

I learned how to condense water from air in 1962 in the Boy Scouts. Using a plastic tarp, a rock, and a hole in the ground.
Oh hmmm how is this done? What is this method called?
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Old 07-26-2021, 8:53 PM
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Quote:
Originally Posted by cudakidd View Post
Solar powered a option?
I guess there's a plug in version and another that runs on solar?

https://www.forbes.com/sites/jeffkar...h=7f8e5b843619

"Gather ‘round the water cooler and take a sip of this: Watergen plans to start selling a consumer version of its “water from air” appliance later this year. Dubbed the GENNY, it can generate up to 8 gallons of drinking water per day.


There’s a plug-in version and another that runs on solar power."
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Old 07-26-2021, 9:48 PM
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There was a crowd source funding for a similar project that was BUSTED as fraud.

This is a very close match. The issue-
1-lead in the dehumidifier makes the water unsafe to drink. The unit was made as a dehumidifier...

2- power - cant get 10 amps from the solar

3- relative humidity- if its dry - no water is made


to me - Forbes is now a pay to play advertisement- no longer a real publication
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Old 07-26-2021, 9:53 PM
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https://www.youtube.com/results?sear...water+from+air

hundreds of videos al doing the same thing- raising $$$$








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Old 07-26-2021, 10:15 PM
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Oh hmmm how is this done? What is this method called?
IIRC, it was called an "Air Still". Nothing to it really. But reserved for emergency only status.

Dig a hole in sunny spot little smaller dia. than the plastic rain poncho we all had. Deeper is better, traps more air, but no need to go crazy.

Place pan from cooking kit centered in bottom.

Place small rock in middle of poncho as weight. Spread poncho over hole. But not "tight". Leave slack so rock is well below ground level.

Place rocks and dirt on poncho around all edges. To trap the air underneath.

During daylight it is a small solar oven. Heating the soil in hole and cooking the moisture out of soil but trapped under poncho.

Sun goes down, temp drops, Doesn't take much temp differential for the really humid air under poncho to give up the moisture. Condensed moisture collects on underside of poncho. Which runs down to low spot created by the rock weight on top.

Drips into pan.

Of course the more humid the atmosphere, and moister the soil the more it produces.

Big Horn Scout Camp at Lake Arrowhead. You can get 6 to 8 oz a day.
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Old 07-27-2021, 3:47 AM
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Oh hmmm how is this done? What is this method called?
You NEED to get out of the bay area more, or watch some survival videos... at least SOME (on Discovery?)...
Youtube: "solar still".

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IIRC, it was called an "Air Still". Nothing to it really. But reserved for emergency only status....
I have never heard of an "air still".
"Solar Still" is the name I have heard used on multiple occasions.
You can even do this with leaves if liquid is unavailable for lesser results.
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Old 07-27-2021, 10:51 AM
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I remember being told to add leaves/cactus to increase water quantity.
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Old 07-27-2021, 11:07 AM
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I believe the only cost effective devices that do this efficiently are on Tatooine...
Arakis has entered the chat*
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Old 07-27-2021, 12:32 PM
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Anybody have thoughts on this item? Yes, it may be a bit expensive, but in regards to how it operates/functionality would it be a good emergency water distiller/option?

https://www.amazon.com/gp/product/B0...KAV55ZXI&psc=1
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Old 07-28-2021, 2:12 PM
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Quote:
Originally Posted by MasterrEugene View Post
Anybody have thoughts on this item? Yes, it may be a bit expensive, but in regards to how it operates/functionality would it be a good emergency water distiller/option?

https://www.amazon.com/gp/product/B0...KAV55ZXI&psc=1
That is basically a pot lid with a drain hole in it. That company is as bad as wise foods charging that much for something like that.
Buyer beware of companies selling survival equipment.
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Old 07-28-2021, 3:40 PM
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Quote:
Originally Posted by MasterrEugene View Post
Is there maybe a good solar still kit for sale somewhere that you can possibly recommend?

Also, how do you feel about a manual distiller like the one linked below?

https://www.amazon.com/gp/product/B0...KAV55ZXI&psc=1
https://www.offthegridnews.com/grid-...rinking-water/

Easy to find old glass doors - just don't use a fancy new one with low E coatings.
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Old 07-29-2021, 8:12 AM
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Quote:
Originally Posted by pacrat View Post
IIRC, it was called an "Air Still". Nothing to it really. But reserved for emergency only status.

Dig a hole in sunny spot little smaller dia. than the plastic rain poncho we all had. Deeper is better, traps more air, but no need to go crazy.

Place pan from cooking kit centered in bottom.

Place small rock in middle of poncho as weight. Spread poncho over hole. But not "tight". Leave slack so rock is well below ground level.

Place rocks and dirt on poncho around all edges. To trap the air underneath.

During daylight it is a small solar oven. Heating the soil in hole and cooking the moisture out of soil but trapped under poncho.

Sun goes down, temp drops, Doesn't take much temp differential for the really humid air under poncho to give up the moisture. Condensed moisture collects on underside of poncho. Which runs down to low spot created by the rock weight on top.

Drips into pan.

Of course the more humid the atmosphere, and moister the soil the more it produces.

Big Horn Scout Camp at Lake Arrowhead. You can get 6 to 8 oz a day.
Adding vegetation into the hole can increase the water production. The heat causes moisture to evaporate out of the chopped up plants.
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Old 07-29-2021, 9:02 AM
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Desalination using the Sun
http://youtu.be/hdmCqtIpFOc

Rear projection TV fresnel lenses, parabolic mirrors, many adjustments needed for the Sun's movement, but boiling 5 gallons of water with his still made out of an old propane cannister.

His channel is pretty cool. He shows how to DIY all of these, including the parabolic mirrors out of a trashcan lid and emergency foil/mylar heat blankets.

On a sidenote, wouldn't a large dehumidifier and a Berkey filter do the same job but much less expensively?

Last edited by surfdesigner; 07-29-2021 at 9:16 AM..
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Old 08-02-2021, 9:39 PM
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Quote:
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Adding vegetation into the hole can increase the water production. The heat causes moisture to evaporate out of the chopped up plants.
You can pee in there too.

The evaporated water is clean.

Or just drink it straight like Bear.
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Old 08-03-2021, 12:15 AM
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Solar stills and drinking urine are for emergency survival, not a permanent solution for long-term survival if potable water supplies run out or get contaminated. I certainly don't consider drinking urine as being "prepped".

For $5000-$8000, one could build & bury a concrete water cistern that holds anywhere from 500-10,000 gallons of clean & cool water, and have plenty left over for a pump, rainwater collection system, along with sand & gravel mechanical filtration & charcoal chemical filter. Should still have enough for truck delivered water to fill it.
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