This morning's readings are as follows.
FC 9
CC 0
pH 7.6
I added a gallon of 12.5% bleach and a quart of muriatic.
FC 9
CC 0
pH 7.6
I added a gallon of 12.5% bleach and a quart of muriatic.
You should be keeping your free chlorine higher so that the black spots do not come back. You are doing a lot of manual dosing so should keeping your fc higher than the swg section of the chlorine/cya chart.
This morning's readings are as follows.
FC 11
CC 0
pH 7.6
I added a gallon of 12.5% bleach and a quart of muriatic.
The PH test is invalid if FC is above 10 - so test FC first and just skip PH if FC over 10. I realize in your situation the FC may be over 10 a lot, but until you get the new swg dialed in, your high bather load and manual additions will likely give you enough opportunities to test and adjust PH.
Also, I didn't see anyone else mention it, and you might already be doing it, but please be sure to space MA and bleach additions by 20-30 mins for safety.