SpaChoice SpaChoice 1Quart Premium Filter Clean and Clear Filter Clean for Hot Tub Made in USA

This liquid filter cleaner greatly improves filter life and efficiency. It is specially made to cleanse suntan oil, and grease as well as scale and mineral deposits from pool and spa filters of all types: cartridge, sand, and D.E. Regular use of this product will assure proper filtration. When preparing or using this product, take care not to splash, drip or use on surfaces such as ceramic tile, linoleum, formica brand counter surfaces, carpeting, etc. as etching or discoloration of these surfaces may take place. This product is intended only for use as a spa filter cleaner. CARTRIDGE FILTERS: Stop filter operation. Bleed off excess pressure through the filter safety valve. Open filter unit, remove cartridge from filter, and rinse excess loose dirt with a water hose from top to bottom. Place cartridge into a bucket and add 1 quart of this product and 5 gallons water. Make sure filter unit is completely covered by the cleaner. Soak 30 to 60 minutes. After soaking, rinse with hose at maximum pressure to remove excess filter cleaner or until foam residue is completely washed off. Re-install cartridge and resume normal filter operation.