Rx Clear Regular Strength Clarifier | Swimming Pool and Spa Clarifier Chemical (4 Pack) NO MORE CLOUDY WATER - Swimming pool water becomes cloudy and murky when tiny and unwanted particles of dust and dirt are suspended and floating in the water. Clarifier causes these particles to coagulate or stick together so that they can be easily removed. NO FUSS CLEANING - Using Rx Clear Regular Strength Clarifier is an easy way to get your swimming pool clean without the hassle. Once the particles of dirt and dust coagulate, they are easy to clear out of your pool with your filter, skimmer, or vacuum. Just pour the clarifier chemical in and wait for the debris to settle. HIGHLY EFFECTIVE - The Rx Clear Regular Strength Clarifier is powerful enough to make your swimming pool or hot tub crystal clear in very little time. Just use the recommended dosage of 5 oz. per 5,000 gallons of water. A little goes a long way for a cleaner pool. pool for easy vacuuming. UNIVERSALLY COMPATIBLE - Get rid of cloudy water no matter what type of pool filtration system you have. Use this clarifier chemical for efficient swimming pool maintenance with your sand, de, or cartridge filters. The Rx Clear Regular Strength Clarifier is the extra step it takes for clear water. TRUSTED POOL CHEMICALS - Maintain your swimming pool or spa with reliable pool chemicals and treatment supplies that you can depend on from Rx Clear. The Rx Clear Regular Strength Clarifier is the premier choice for a trusted cleaning product to keep your pool in its best shape.