masonicman New member Oct 30, 2007 #1 Should I add Osmo - Prep to my RO/DI water that I use for water changes?
raddogz Premium Member Oct 30, 2007 #3 I have not used it as well. Most salt mixes are setup for use with ro/di so no other additions are necessary.
I have not used it as well. Most salt mixes are setup for use with ro/di so no other additions are necessary.