Aqua Silk 1/2 Gallon Sanitizer Aqua Silk Sanitizer is a highly stable and effective alternative to traditional pool sanitizers. Makes your water feel softer and more luxurious while providing clean pool water. ACTIVE INGREDIENTS: Poly (hexamethylenebiguanide) hydrochloride : 20%. OTHER INGREDIENTS : 80%. TOTAL : 100%. DIRECTIONS: It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Start Up: Once the chlorine residual drops to zero， pour into the skimmer at the rate of 56 ounces for every 10，000 gallons of pool water to establish a sanitizer level of 50 ppm. Weekly Maintenance: Maintain a sanitizer residual of 30-50 ppm at all times. Refer to the Aqua Silk Users Guide for dosage rates.

• Sanitizer (Shock is sold separately)
• Last longer than the bromine and chlorine alternatives
• Helps control algae and bacteria， without odors or irritations
• Biguanide based disinfectant
• 0.5 Gallon