red spots on filter

Algae problems in swimming pool water.
Green (cloudy) water or slimy pool walls.
Black algae. Mustard algae. Pink or white pool mold.

red spots on filter

Postby myINpool » Tue 14 Jul, 2009 19:45

Has anybody ever had red spots on their cartridge filters? I've got cloudy water in my salt pool and noticed the red spots when I went to clean the filters. They are very small, maybe 1/16" from side to side, but all over the filters. My chlorine is slightly low, and I struggle to keep my ph down. I can get my ph down to about 7.8 with acid, but it goes back up in the course of 3 weeks or so. I've also got dark powdery substance on my light. If anybody has ever come across this problem before, please, please advise.


red spots on filter

Postby mRaffa » Sun 19 Jul, 2009 10:14

The only time I had any red color in my pool is when my son went swimming in the ocean and went into the took silver algeacide to remove the problem.

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