The Pool has been running great, Been maintaining 60 CYA and 9.0 FC, and loosing almost 0 FC overnight and 2.0 during the day
We got rain yesterday and I vacuumed, FC was 4.0 and CYA 70
Added Chlorine to 11.0 and this morning its still 11.0 FC and 0 CC
Does rain Kill chemicals that bad ?
My...