The calcium hardness is about 430ppm.
Arm's length down into the deep end with the pumps running at 3:45PM (full sun in central Texas) the water temp is 84 degrees F.
Plaster pool, about 15,000 gallons, 6 foot deep end.
TW
EDIT: I don't bother with much beyond the OTO test kit, so I don't know CC and I've never shocked since doing BBB starting in June. Just lucky again I guess.
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