Black spots on my cleaner

jorgelsaltos

Member
Aug 17, 2019
10
Gilbert, AZ
Has anybody seen black spots in their cleaner? I am wondering if it is black algae, I don't see it anywhere else in the pool, at least not in visible areas, just in the pleated seal of the cleaner. I can't even scratch it off.
FC: 5
CC: 0
pH: 7.7
TA: 125
CH: 1150
CYA: 140

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