Most Efficient Water Cleaner: Terra Cotta Gravity Water Filter and Cooler

4530

Here is another efficient ceramic water filter. This gravity filter has a hand-made terra cotta base, which cools the water using natural convention. We consider it metaefficient because: its has excellent filtration, and a very long filter life (years). Also, the terra cotta doesn’t leach contaminants into the water, and it keeps the water cool […]

Berkey Light Gravity-Flow Water Filter

BerkeyHome-1024x680

Gravity filters are more effective than other types of water filter, because the water drips slowly through the ceramic elements, and this process removes almost all the contaminants in water. The filters can be cleaned with a toothbrush and last for up to 2,000 gallons. This Berkey filters filter uses Black Berkey elements, and they […]

Slow Sand Filters

Zemanta Related Posts Thumbnail

Slow sand filters are perhaps the most efficient means of producing clean drinking water. Slow sand filters rely on biological processes for their action rather than physical filtration or disinfection. They require no electricity, no chemicals and no filter changes. How is this possible? The secret is that slow sand filters work through the formation […]

Producing Drinking Water from Rain Water

rainwater

It is possible to produce pure drinking water from rain water using a combination of devices costing around $300 total. Here’s how to do it: Install a roof washer and a rain barrel ($200). A roof washes diverts the first ten gallons or so of rain water away from your barrel — it contains such […]