EASY CARE STEPS: 1. Test and adjust pool water balance. 2. Chlorinate and clarify. 3. Shock your pool at least once a week. 4. Add algecide regularly.

100% granular calcium hypochlorite. Insta-chlor is non stabilized 68% available chlorine.

DIRECTIONS FOR USE: Add 1 lb per 10,000 gallons every 2 weeks, or when pool begins to look dull. Under extremly hot weather conditions (85 deg. F) add 1 lb. per week.