If you need distilled water but can't find any in stores, you can easily make it at home with a few simple steps.

To make the water clean I made a clay vessel to hold charcoal, sand and gravel to filter out debris, organic matter, dirt and bugs as the water flows through by gravitational force. This water ...

A measure of how effectively the filter removed flavor taints, along with the resulting odor taints, that CR added to plain water with minimal intrinsic flavor and odor (the "control" water).