DIRECTIONS FOR USE: Read entire label and use strictly in accordance with precautionary statements and directions.

Use: Raises Increase calcium hardness to protect surfaces from corrosion, staining & etching.

Test and Balance: Test calcium hardness monthly and maintain 175-225 ppm. DO NOT ALLOW calcium hardness to fall below 100 ppm as damage to equipment and surfaces may occur.

DIRECTIONS: Add product in deepest area of pool while filter and pump are operating. Divide total dosage into thirds. Add 1/3 at a time, waiting 6 hours between additions. DO NOT pre-dissolve this product as extreme heat generation and potential adverse chemical reaction may occur.

Dosage: Use the chart of packaging and calculate based on your pool size.