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Calcium

5 Results
Calcium Hardness Increaser - 50 Lbs.
Haviland
23 in stock
$143.67
Sold out
Calcium Hardness Increaser - 25 Lbs.
Haviland
Allow 14-21 Days to Ship
$43.82
 
Calcium Hardness Increaser - 10 Lbs.
Haviland
3 in stock
$17.86
 
Calcium Hardness Increaser - 4 Lbs.
Haviland
2 in stock
$10.40
Sold out
Calcium Hardness Increaser - 50 Lb. Bag
Poolweb
Allow 1-2 Days to Ship
$51.77

Pool Calcium Hardness Increaser

Calcium hardness must be actively managed (along with pH and total alkalinity, of course) to keep water in proper chemical balance. As a general rule of thumb, aim for 200–400 ppm!