Heres where im at, pool is plaster, 18,500 gallons and just under one year old.
I have been on BBB since day one so Im pretty sure ive got this process down.
Tests as of today TF100 Kit, new chemicals;
temp 81
FC 4
CC 0
pH 7.8
TA 190 (high)
CH 300
CYA 35
Looks like I need to lower my TA, by...