New member to the board . . . .any input/advise welcome.
FC 1.0, CC 0, pH 7.8, Ca H 250, TA 80, CYA 120
I have black algae starting on the steps and benches - first time for me. I have scrubbed the algae using a stainless steel brush and I just flushed the cartridges.
I normally use the...