What is the white gritty silt in my pool?
Three year old salt water in-ground pool. Pentair cartridge filter.
I am finding an increasing amount of a white, gritty substance in my pool. It has the consistency of very fine sand. I used to see small amounts at the bottom of the spa below the inflow. Then I started seeing an increasing amount in my pool cleaner"s silt bag. Then yesterday when I removed the cleaner's hose from the pool side, I saw more of this substance trapped at the hose's screen filter. Previously I hadn't seen more than a couple flakes trapped at the screen occasionally.
I cleaned the cartridge filters at the beginning of the season, SCG has only a very slight amount of calcium. Chemistry is almost always good with acid added almost weekly to balance pH. I brush every couple weeks or more.
Never had a problem with water clarity. The substance doesn't cloud the pool because it sinks.
I have had calcium deposits accumulate on the tile but not significant and easily removed once a season with plastic brush and acid.
Three year old salt water in-ground pool. Pentair cartridge filter.
I am finding an increasing amount of a white, gritty substance in my pool. It has the consistency of very fine sand. I used to see small amounts at the bottom of the spa below the inflow. Then I started seeing an increasing amount in my pool cleaner"s silt bag. Then yesterday when I removed the cleaner's hose from the pool side, I saw more of this substance trapped at the hose's screen filter. Previously I hadn't seen more than a couple flakes trapped at the screen occasionally.
I cleaned the cartridge filters at the beginning of the season, SCG has only a very slight amount of calcium. Chemistry is almost always good with acid added almost weekly to balance pH. I brush every couple weeks or more.
Never had a problem with water clarity. The substance doesn't cloud the pool because it sinks.
I have had calcium deposits accumulate on the tile but not significant and easily removed once a season with plastic brush and acid.