Preparation & Usage

Directions for use: It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Read all precautionary statements before use. Why you should use this product: This is a highly effective, 7-in-1 shock product that works fast to kill bacteria and algae and restore crystal clarity to pool water within 24 hours. It is convenient, easy to use, and won't over-stabilize your pool. For crystal clear pool water, follow our HTH™ 4 step pool care program: Step 1: Test and adjust pool water balance, Step 2: Sanitize, Step 3: Shock treat your pool at least once a week, and Step 4: Add algaecide regularly. Acceptable range for balance Total alkalinity - 60-100 ppm pH - 7.2-7.8 Calcium hardness - Above 200 ppm Available chlorine - 1-4 ppm Water balance: Adjust and maintain pool water to recommended ranges: Note: Follow label directions for each product and allow each product to dissolve and disperse before adding additional products to the pool. Always check and adjust total alkalinity before adjusting pH levels. Use a test kit or test strips that measure all these ranges. How to use: Use entire contents of bag when opened. Do not use in floater or feeder. Method for dosing directly into pool: Add the recommended dosage of this product during evening hours while the filter pump is running. When adding this product to your pool, broadcast the product evenly over a wide area in the deepest part of the pool. if any granules settle to the bottom of the pool, use brush to disperse until completely dissolved. Undissolved granules may cause bleaching or other damage to pool surfaces. Test free available chlorine residual with an HTH™ pool test kit or test strips. Do not enter pool until the free available chlorine residual is 14 pm. Re-entry into treated swimming pools is prohibited above levels of 4 pm chlorine for risk of bodily injury. Shock treatment / superchlorination: As a preventative treatment, shock treat your pool once per week with this product. Additional shock treatments may be necessary to remedy problems which may occur when bathing loads are high, water appears hazy or dull, unpleasant odors or eye irritation occur, after heavy wind and rainstorm, or if algae does develop with resulting green color and slimy feeling. For above ground and/or inground pools: Every 7 days, or as necessary to prevent pool problems, shock treat superchlorinate the pool by adding 1 bag of this product per 13,500 gallons of water.

Features

+ all-in-one weekly chlorine boost

+ 1 bag treats 16,750 gallons

+ increases chlorine levels quickly

+ prevents bacteria and algae

+ prevents stains and scale

+ softens and clarifies water

+ cal hypo for visibly sparkling water

+ cal hypo formula prevents chlorine lock

Cal hypo no chlorine lock

Works with saltwater pools

Cya free does not contain cyanuric acid