LaMotte Pool Manager Water Quality Handbook - Manual (Page 48)

Lowering pH with Muriatic Acid*
1,000
gallons
5,000
gallons
10,000
gallons
20,000
gallons
50,000
gallons
pH pt oz pts oz pt oz pt oz pt oz
7.6-7.8 0 1.3 0 6.4 0 12.8 1 9.6 4 0
7.8-8.0 0 1.9 0 9.6 1 3.2 2 6.4 6 0
8.0-8.4 0 2.6 0 12.8 1 9.6 3 3.2 8 0
>8.4 0 3.2 1 0 2 0 4 0 10 0
*Treatment recommendations are affected by total alkalinity. At
low alkalinity levels less acid may be required and at higher
alkalinity levels more acid may be required.
Lowering pH with Dry Acid* (sodium bisulfate)
1,000
gallons
5,000
gallons
10,000
gallons
20,000
gallons
50,000
gallons
pH lb oz lb oz lb oz lb oz lb oz
7.6-7.8 0 1.6 0 8.0 0 16.0 1 12.0 5 0
7.8-8.0 0 2.4 0 12.0 1 4.0 3 8.0 8 0
8.0-8.4 0 3.2 0 16.0 1 12.0 4 4.0 10 0
>8.4 0 4.0 1 0 3 0 5 0 13 0
*Treatment recommendations are affected by total alkalinity. At
low alkalinity levels less acid may be required and at higher
alkalinity levels more acid may be required.
46