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 an effective, 4-in-1 shock product that kills bacteria and algae and restores crystal clarity to pool water within 24 hours, reduces chlorine odor and eye irritation caused by swimming pool water and won't fade liners. 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. Water balance: Adjust and maintain pool water to recommended ranges: Acceptable range for balance Total alkalinity - 60-100 ppm pH - 7.2-7.8 Calcium hardness - Above 200 ppm Available chlorine - 1-4 ppm 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. 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. Method for skimmer addition: Make sure that filter pump is on and properly recirculating through skimmer. Empty skimmer of all chemicals and/or debris. Contamination may cause an explosion or the release of toxic gases. Do not use this method when an automatic chemical dispensing device (e.g., feeder) is present. Pour this product slowly into skimmer, making sure that the material is drawn into the system at the same rate: Do not allow this material to accumulate as toxic gases may be generated Re-entry Into treated swimming pools is prohibited above levels of 4 ppm chlorine for risk of bodily injury. Shock treatment/superchlorination: For above ground and/or in ground pools: Every 7 days, or as necessary to prevent pool problems, shock treat / superchlorinate the pool by adding 1 pound (1 bag) of this product per 13,500 gallons of water.

Features

+ multi-functional shock treatment for weekly use

Cal hypo no chlorine lock

+ 1 bag treats 13,500 gallons

+ prevents bacteria & algae

+ cal hypo for visibly brilliant water

+ cal hypo formula prevents chlorine lock

Works with saltwater pools

Ideal for pools 10,000 gallons and up

Fast acting and fast dissolving

Cya free does not contain cyanuric acid