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BioGuard Lo N Slo reduces pH and total alkalinity in pool water. This product is generally easier to use and store than liquid muriatic acid. Keeping your pool's pH level balanced is not only important for swimmer comfort; it also helps keep your equipment and pool finish in good condition. Swimmers may return to the pool only 15 minutes after application. You can slowly and safely reduce pH and total alkalinity with Lo N Slo.
pH between 7.7 to 8.0:
.75 lb per 10,000 gallons of water.
pH between 8.1 to 8.4
1.25 lb per 10,000 gallons of water.
pH above 8.4
1.5 lb per 10,000 gallons of water.
Balance the total alkalinity in the pool water to 125-150 ppm. Pool pH should remain between 7.2 and 7.6 for the most effective use of chlorine. Test the pH using a reliable test method such as BioGuard 4-Way Test Strips. If the test shows a pH above 7.6, then add this product to the pool water using the recommneded dosage.
Add this product when the pool is not in use. Broadcast product into the deep end with the pump and fiter running. Never add more than 1.5 lbs of this product per 10,000 gallons of pool water at any one time. Allow the pool water to recirculate for two hours and retest the pH. Repeat teatment as necessry. Newly plastered pool may require frequent treatments for the first frew weeks whil the pool is "curing". Do not add the product near metal fittings or allow the pH to drop below 7.2. Break up undissolved clumps of product that may remain on the bottom of the pool.
Do not add this product directly to pools with colored plaster surfaces. Choose one of the following methods for application. Method 1. Predissolve this product in a bucket of cool tap water, adding no more than 1 pound of product for each 3 gallons of water used for predissolving. With circulation pump operating, pour the solution into pool water in an area of strong circulation from a return fitting. Operate the circulation pump continuously for the next 8 hours. Method 2. Do not use this method for pools with metal plumbing, stainless steel filter housing or metallic pump impellers. Remove all products from the skimmer. With the circulation pump operating, apply the appropriate dosage slowly into the skimmer. Apply at a rate not faster than 1 pound per minute. A slight increase in filter preasure may be observed, but is not cause for concern. Operate the circulation pump continuously for the next 24 hours. Do not add any granular or liquid products to the skimmer of the pool during this 24 hour period.