Water Filters

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

Here is another efficient ceramic water filter. This gravity filter has a hand-made terracotta 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 terracotta doesn’t leach contaminants into the water, and it keeps the water cool without needing

Most Efficient Water Cleaner: Terra Cotta Gravity Water Filter and Cooler Read More »

Slow Sand Filters

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

Slow Sand Filters Read More »