White flecks during SLAM

wellbehavedmaple

New member
May 22, 2024
1
new jersey
Pool Size
22000
Surface
Vinyl
Chlorine
Liquid Chlorine
Hi, first full season pull owner in our new house. Opened 1.5 weeks ago and did a SLAM to address cloudy water. It cleared up nicely and I dropped to normal chlorine levels. About a day later had all these white flecks on the surface. In the middle of SLAM number 2, very cloudy water still, and flecks reappeared this afternoon. I did not lose any FC last night. Any thoughts? Bleached out pollen maybe? Or something worse?

Here are levels at start of SLAM. FC at 12.

In ground pool with liner.

pH 7.5
TA 70
CYA 30
CH 225

I’m not sure how CYA and CH are as low as they are. Previous owner used trichlor and cal hypo exclusively.
 

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