Leisure Time O-02 Filter Clean Cartridge Cleaner For Spas And Hot Tubs, 1-Qua...

Concentrated formula deep cleans cartridge filters and removes dirt, oil, grease and scale. An overnight soak will assure complete removal of all contaminants including those that may have been deeply set over months of use. Use every three months to ensure proper filtration and easy spa maintenance. Instructions: Remove grids or cartridges from filter. In a clean, plastic pail, bucket or trash can with 8 gallons of water, add contents of FILTER CLEAN.

(This is enough solution to clean 110 square feet of filter area.) Place cartridge or grids upright in solution. Soak for a minimum of 3 hours. For maximum effectiveness, soak overnight. Remove filter from solution. Hose off filter with high pressure nozzle and replace