Calcium Hardness Increaser - 25 Lbs. paint-size_6 Gallon Case This Neptune Benson fiberglass in-line

This Neptune Benson fiberglass in-line pool strainer includes a standard flanged 8 Inch connection

Does not include anchors (item #300-6700A)

Pentair FNS60

It is done through absorption analysis: TTi Colorimeter Series

Calcium Hardness Increaser - 25 Lbs. paint-size_6 Gallon Case This Neptune Benson fiberglass in-lineThis is a 25 pound container of calcium hardness increaser which will raise the total the calcium hardness in your swimming pool water. This calcium di chloride product is in granular form. For most pools, calcium hardness levels should be maintained between 200 and 400 ppm. Active Ingredient of the Harness Increaser: 100% Calcium Di Chloride. Directions for Adding Harness Increaser to Your Swimming Pool: If calcium levels are low, add this product