Inground, Vinyl, 23,000 gallons, pumps run 7X24
Drain 12" from pool and refilled using well water. Home has a well
Shocked with 8 gallons of CL
48 hours later
FC 2.6 CC 0.6 pH 7.5 Alkalinity 192 Hardness 365
Vaccummed algae from bottom
Pool is clearing up, seeing drain, and vac...