Right, according to Ben's Best Guess Chart, with a CYA of 120 you'll need to keep the FC between 8 and 15 - never below 8, shock level is 25. About 6 gallons of 12.5% should get you there.
Re: How much liquid chlorine to shock pool
Right, according to Ben's Best Guess Chart, with a CYA of 120 you'll need to keep the FC between 8 and 15 - never below 8, shock level is 25. About 6 gallons of 12.5% should get you there.
12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16
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