What are these Flakes?

RexO

Well-known member
May 24, 2020
54
Melbourne, FL
Any idea, what are these flakes on the bottom of my pool?
FC 6
pH 7.7
TA 90
Calcium 300
CYA 70
Water Temp 83
 

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RexO

Well-known member
May 24, 2020
54
Melbourne, FL
OK...from other threads I can assume they are calcium flakes. But strange to me since the pool is balanced. Normally my TA sits at around 70 and I never see this even as the pH drifts up to a 7.9. But I added some Baking Soda a few days ago, more than usual so I ended up at 90 TA. Thinking I will keep the pH down around 7.5 until TA come down a bit.
 

Jimrahbe

Mod Squad
TFP Expert
LifeTime Supporter
Jul 7, 2014
23,102
Bedford, TX
Rex,

I show your CSI to be positive and if the pH goes up at all it will be more positive..

Try keeping you CSI at -.1 or more negative.

I get the same thing if I let my pH get too high for too long.

Thanks,

Jim R.
 
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