GLB Supersonic 73% Cal Hypo Granular Chlorine Shock, 25 lb Pail | 71440A
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GLB Supersonic 73% - 25 Lb Pail
- Quick-dissolving
- Kills bacteria and controls algae
- 73% available chlorine
- Compatible with chlorine
Features and Benefits:
- Contains 73% available chlorine
- Add 1 lb. per 10,000 gallons directly to the pool, every 7 days
- For best results, add during the evening hours
- Compatible with chlorine and salt water chlorine sanitizing systems
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