- Aug 20, 2020
- 7,780
- Pool Size
- 27000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-60
It’s certainly not ideal, but I had a bunch of spots of black colored algae and a SLAM without brushing cleared them up quite well. I know the deal with the brushing so not saying it isn’t needed, just that the SLAM can’t be ignored. It may turn out to just be black colored algae and not legit black algae.A SLAM without disrupting the surface is not going to help with BA. It’s also not going to hurt either. At a minimum I would get the FC level up to 20% of CYA.
I just dont think there is much the OP can do without getting into the pool with a snorkel and figuring out a way to disrupt the BA.