BioGuard Lo 'N Slo Brand_AquaChek No testing is required with

No testing is required with this product

and foul chemical odors

It has 62% available chlorine

Filter Magic is made right here in the USA to ensure the highest quality

Each container contains about 11-12 cups of product

BioGuard Lo 'N Slo Brand_AquaChek No testing is required withBioGuard 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.