Leisure Time Spa InstantCartridge Cleaner 1pt.
An instant no soak formula that removes oil, grease, calcium and scale from spa cartridge filters. Just spray on and wait 4-6 minutes and then rinse. You will see the results. It is recommended that cartridge filters becleaned thoroughlyon a monthly basis to maintain clean & clear water. This product is compatible with; chlorine, bromine, ozone and biguanide sanitizers.
Note: Please make sure you completely rinse the filter off or foaming may occur.