Recent content by Shark22

I followed the TFP Black Algae treatment instructions, using the Pool Math calculator. I kept the FC elevated during a week of brushing and for a week or more thereafter. The algae retreated a little, but never disappeared until winter. Then I retreated. I was unaware of the need to run FC high...

Hello. I'm wondering if the source of my seemingly incurable black algae problem on north-facing wall and shallow-to-deep transition is the roughness of my 28-year-old PebbleTech surface and increasingly warm water temperatures in Central Florida - currently water is at 91F. I have given it...