Chlorine Calculator

Calculate how much chlorine to add to raise your pool's chlorine levels to the recommended range.

Pool Information

Common household bleach, ~12.5% active chlorine

About Pool Chlorine

Ideal Range: 1-3 ppm for most pools, 2-4 ppm for saltwater pools

Purpose: Sanitizes pool water by killing bacteria, algae, and other microorganisms

Testing: Test chlorine levels 2-3 times per week, especially after heavy use or rain

Types: Liquid bleach (12.5%), Calcium hypochlorite (65%), Trichlor tablets (90%)