I have a 25,000 gallon inground pool, with a brand new sand filter installed. I have had issues with as soon as I get the pool clear, it turns green.
Just had my water tested and my readings were
TDS: 400
CYA: 94
Total Clorine: 0
Free Chlorine: 0
PH: 8
Tot. Alk: 192
Tot. Hardness 150
Borates...