Blue Wave Spa Filter Cleaner 1qt NP115. This powerful liquid formula cleans and removes scum, oils, and scale from spa filter cartridges. Easy to use, no scrubbing - just soak cartridge in Filter Cleaner and water solution for 24 hours, remove, rinse and use! Regularly clean your cartridge to increase its life and to improve water clarity.
Spa's & Hot Tub's
Dosage: 1 qt. per cleaning
Just soak your filter to remove scum, oils, scale and dirt.