Our recent trip to Anguilla reinforced upon me how we take clean drinking water for granted. On a fairly arid Island surrounded by salt water, drinking water is a scarce commodity, dependent upon imported fuel to run desalinators. I was able to examine some great examples of rain water harvesting (which most everyone there does), but no one drinks it, they buy water, either in 5 gallon jugs, or pay the water truck to fill a tank. I was able to demonstrate our DIY Berkey Water purifier, and explain how atmospheric water generators work. First the Berkey:
This non-electric (gravity) water purification system will purify up to 6000 gallons in the basic kit, 12000 gallons in the advanced kit, or 18000 gallons in the deluxe kit. It will purify rain water, ground water, or even greywater. All you have to provide is two food grade buckets (4-6 gallons) with lids. The square 4 gallon units can accommodate up to 4 filters, the round 5 & 6 gallon buckets can accommodate up to 8 in a pinch. The more filters you have the more GPH output you can supply.
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All kits below include our DIY rainwater, solar water heating, and greywater recycling edocumentation set. Shipping is Free in the USA lower 48.
Basic DIY Berkey Kit $125 (two filters, faucet, and instructions):
Advanced DIY Berkey Kit $220 (four filters, faucet, and instructions):
Deluxe DIY Berkey Kit $299 (six filters, faucet, and instructions):
Replacement filters $99 (twinpack):
Arsenic/Fluoride option $60 (comes in sets of 2, screws onto above filters, need 1 for each filter in bucket. If six filters, need 3 sets):
Another option is a Atmospheric Water Generator. Although this option requires electricity, it uses a dehumidifier to pull moisture out of humid air, and runs it through a filter. We have run these units on solar power.