Test, tweak, and SLAM

FC = 22
CC = 1.5

Now it's going up. I guess it's safe to say the OCLT won't work yet. At the end of the day, four bags of cal hypo were used and tomorrow I'm gonna stock up on some bleach. Also I was concerned about clouding from the cal hypo, and I wanted some info on the possibility of it. It happened one time last summer but that was it, and I had no clue what was going on.

Pool at evening 1.jpg
 
Just to be certain, are you following the Chlorine/CYA chart (link in my signature)? If your FC was 10 and CYA is 50, your SLAM level is 20. With a 12,000 gallon pool and 8.3% bleach, you should have added 1 gallon, 1 quart and 2 cups to be exact (according to PoolMath).
 

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