ro filter

[Marianne]

Rain water, unless you live in a polluted city, is without ions. (Crap can be picked up in the air during precipatation (crap=non technical word). The earth minerals that are dissolved in water give it it's ions. The only concern should be if the resins are "FOOD GRADE" they may not be.

All the resin we use are. Everything we use is.

Ultra pure water would not have a cumlative effect, like cigs.