3 weeks ago had to slam. Pool cleared. Was good for a week or so. Kept check on FC an it has been in range. Well we have had alot of activity in the pool and alot of rain. FC was a 5 yesterday. Well I saw algae forming on floor. I added enough bleach to get to shock level an I came back this morning to more algae. Here is my test results from this morning.
Water temp is 80f
I'm confused why I would get algae with my fc in range? Can anybody help?
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