Phoenix Instant Filter Cleaner

Removes scum, oils, minerals, and scale from Spa & Pool Cartridges & D.E. Grids. Easy to use, no scrubbing. This special liquid formula works in minutes so you can continue to enjoy your spa or pool. It is recommended that you use every 4-6 weeks to maintain filter efficiency. Rinse filter cartridge or D.E. Grids thoroughly to remove any loose matter/debris. While wet, spray Instant Filter Cleaner on the total surface area and allow to set for 3-5 minutes. Rinse thoroughly and reinstall in the filter system. Note: It is recommended that 2-3 times a year that you soak the cartridge in a solution of Phoenix Filter Cleaner for 24 hours.