Search results

Thanks reebok and dravenone-this is all new to me and I really appreciate your advice! I'll add muriatic acid, CYA and superchlorinate with liquid ASAP. At what level should I set the SWG while doing this? And the black algae spots...should I try to brush them off while correcting the water...

I've just taken over the care of a four year old fiberglass pool (9000 gallons) with a SWG. Its water is always clear, but it has had black algae spots for a month and now I'm seeing possible mustard algae spots too. I read all the pool school articles, then bought a DPD kit and tested the...