Need Clean Drinking Water? Make Your Own DIY Clay Filter
Updated: 2010-06-30 18:26:52
It’s a sad fact that most of the water in the world needs filtering before it can be safely drunk. It’s the result of many years of industrialization and the resulting pollution in the air, soil, and water. However, most water filters are a fairly expensive and technology-dependent solution to the problem, and it’s not [...]