An acid-based liquid cartridge filter cleaner. Removes scale, rust, cosmetics, oil and other materials from filter cartridges using an overnight soak-and-rinse formula.
1. Remove cartridge filter and rinse with clean water.
2. Prepare FILTER FRESH solution by adding 16 oz. of FILTER FRESH in bucket of 2.5 gallons of warm water. DO NOT USE galvanized aluminum or porcelain container for soaking. Always add FILTER FRESH to water, NOT water to FILTER FRESH.
3. Place cartridge filter in solution and allow to soak overnight (12 hours). Remove filter after soaking and rinse thoroughly with clean water. If possible, allow cartridge filter to dry completely.
quart, gallon, 55 gals
Refer to filter manufacturer's recommendations regarding maintaining your pool filter at peak efficiency. Refer to actual label for product precautions. It's a good idea to keep an extra filter cartridge to use when the regular filter is soaking overnight.
Chlorine, bromine, ozone and biguanide sanitizers.