Inexpensive water..

filter from Monolithic Dome company. They consist of a removable,washable fabric pre-filter, the ceramic element that is attached to the hole you drill (or for those of you on the Dangerous Atlantic Coast - just get your gat and bust a cap on it ) through the bottom of bucket #1, and a second hole for the spigot in the side, near the bottom of bucket #2.....agua pura

-Doug