I've used the RO
water from the Glacier water units that are outside grocery stores and some gas stations in my area. Ranges between 20 - 30 cents per gallon. A buck to fill up a 5 gallon jug works for me. TDS
levels are usually 3-4ppm, which is not the ideal "0" you get from RODI
, but it is a huge improvement compared to tap water. I think that for FOWLR
, it works fine. I've got an RO
unit that came with my new 240g...someday I will read the book and figure out how to use it.