A Act8killer Feeder Fish MFK Member Aug 29, 2011 33 0 0 poway Oct 6, 2011 #11 guys if my RO water tested 7.4 ph its safe to put in my 75 gallon right? i heard its bad to use pure RO water.
guys if my RO water tested 7.4 ph its safe to put in my 75 gallon right? i heard its bad to use pure RO water.
