I wonder if it might be 'better' to do a partial drain before attacking this VERY GREEN neglected pool. What do you think??
in-ground pool, +/- 12,500 gallons
FC: 0.30
CC: 0.30
PH: 8.7
TA: 100
CH: 430
CYA: 5
Should I SLAM or partial drain, then SLAM???
I know I should adjust ph first, but...