Sep 13, 2007 #1 Kigs! zoa santa View Badges Joined Feb 16, 2007 Messages 1,954 Reaction score 1 Rating - 0% 0 0 0 Is it only effective when both are used at the same time? For instance, could I use the ESV calcium part and another product for alkalinity?
Is it only effective when both are used at the same time? For instance, could I use the ESV calcium part and another product for alkalinity?