You can still have all the crap grunt mentioned (algae, mold, what have you) and still the Berkey would be effective at removing it all.

The "silver coin" method is taken from the frontier dayz (and before). It does work when you have nothing else.

But, I have a BERKEY "light". I also have many 55 gal food grade drums full of water stored. I store water for several years only using clorine to "kill the bugs". Whether or not there are "bugs" in it matters not because the BERKEY removes 99.999% of "whatever" is in it anyway.

They're a great purifier and are used regularly in third world countries for their "scum water".

Cordially,
A.P2 smile


"In the beginning of a change the patriot is a scarce man, and brave, and hated and scorned. When his cause succeeds, the timid join him, for then it costs nothing to be a patriot". Mark Twain - 1904