2 2006 New member Aug 8, 2009 #1 Red Sea Mg reads 150 ppm higher then Salifert. Has 10-15 tests left. API PO4 rarely used most of the reagent is left. Both kits around 18 months old.
Red Sea Mg reads 150 ppm higher then Salifert. Has 10-15 tests left. API PO4 rarely used most of the reagent is left. Both kits around 18 months old.
