Concentrated Filter Cleaner is specially formulated to remove dirt, grease, body oil and mineral deposits from your pool or spa cartridge filtration system. Your cartridge filters will last longer and operate more efficiently. This concentrated cleaner is ideal for cleaning sand or D.E. filters and will greatly improve your filter's life. Simple to use, you'll be impressed by how effectively it reduces the amount of time and work you spend on pool maintenance.
Dosage for Cartridge and D.E. Filters: Add 1 quart to 5 gallons of water. Soak for 16-24 hours. For Sand Filters, product is added to skimmer while backwashing.