This SeaKlear spa filter cleaner and degreaser effectively soaks and deep cleans filters of all types. Removes grime, oil, and organic debris. Compatible with all filter types. Restores filter efficiency. Non-acid based cleaner. Made in the united states. Add 1-pint (16-ounce) of SeaKlear spa filter cleaner & degreaser to a large, clean plastic bucket and fill with water. Soak filter elements or cartridge for one hour. Rinse filter thoroughly before reuse. Available in 1-quart.