Stains from pH Down?

[jfgreco]

I added some dry acid last night and I think there might have been a couple of clumps. I noticed his morning two brownish stains. I tried to brush hem bit no luck. There are no leaves or anything in the pool.

 

[257WbyMag]

Got some test results for us? Also, are you on well water or municipal water?

 

[jfgreco]

FC 5
CC 0
TA 90
CH 180
CYA 60
pH 8

I added pH down and calcium.

I am on well water. The stains seem like clumps of dry acid sat and dissolved or something.


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