boscogabby
07-09-2006, 10:02 AM
Is calcium hardness important in a vinyl inground pool? The pool is about 8000 gal and my latest numbers are FC-7 / PH-7.4 / TA-110 / CC-0 / CYA-60-70 / CA-140 down from 250 from last weeks test. Water is crystal clear, also I am using an Aquarite SWCG. Should this be adjusted?