I just wanted to double-check on doing a partial drain. According to the Pool Calculator I will need a 40% drain in order to follow the recommended levels for SWG by TFP.
It is correct to do a partial drain right?
FC - 12
CC - 0
pH - 7.5
TA - 70
CH - 400
CYA - 110
Salt - 6000 (target will be 3600)