BioGuard Smart Shock (2 lb) - Case of 12

BioGuard Smart Shock (2 lb) - Case of 12

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• 1 lb per 12,000 gallons of water
• Sodium dichloro-s-triazinetrione: 63.05%, Copper (metallic): .26%, Other Ingredients: 36.9%, Available Chlorine: 39%
• Contains Blue Algae Killing Crystals