Originally Posted by funjohnson
Paranoia. We are trying to prepare the boat for cruising and will be filling with rain and jerry canned water from unknown sources. I'll be filtering the jerry canned water via a transfer pump for water down to about 5 microns, but would also like something filtering the water after it's been in the tank.
I don't want to end-up like this guy
, but out the other end!
Thats an entirely different situation than filling from a domestic supply.... and its still a relatively poor choice. 1,0ÁM or better 2,0ÁM--->0,45ÁM ("absolute" or 100% filtration rather than a 'nominal' or arbitrary ÁM rating) is the usual standard for filtration from 'unknown' sources. Biologic contamination is best satisfied by filtration before it enters the tank, where it 'multiplies'. A filtration system within a distribution system is a 'microbiologic concentrator'.
BTW - enjoy your waterborne illnesses.