BioGuard SilkGuard Complete 1 Chlorinating Tablets, 4.5 lb, Chlorine Tablets for Sanitizing Swimming Pools

BioGuard SilkGuard Complete 1 Inch Chlorinating Tablets (4.5lb) protect the surface of your pool and the equipment from scale, corrosion and staining, all while killing bacteria. The SunShield Technology offers protection from the sunlight while the SmartGuard Technology helps the tablets last longer than traditional chlorine tablets. Plus, it?s algae killing crystals help stop algae before it starts. Directions Dosage for Routine Maintenance: Add 16 oz of this product (approx 27 tablets) per 10,000 gallons of water per week Dosage for Start Up: Add 16 oz of this product per 10,000 gallons of water Before you begin: Ensure all pool equipment is working properly. Clean or backwash filter following manufacturer's directions. Adjust pH to between 7.2-7.6. In chlorinated pools, add stabilizer to establish a minimum stabilizer level of 30-40 ppm to reduce the degradative effect of sunlight upon the chlorine residual. When using other products as outlined in the directions for this product always follow directions on those products. Do not add other chemicals into the skimmer, feeder or floater when this product is in use. as a fire or explosion may occur. To avoid damage to pool surface or materials do not allow product to come in direct contact with these materials. Do not throw tablets directly into pool. Ingredients: Trichloro-s-triazinetrione - 91.57% Copper Sulfate pentahydrate - 0.99% Other ingredients - 7.44% Total - 100%