SPA MARVEL filter cleaner 8 oz. SPA MARVEL filter cleaner is a powerful, deep cleanser designed to remove oils, hair, dirt and grime that gets trapped in the fabric of cartridge filters without the use of bleach or harsh acids. Directions: remove filter from spa and rinse with a spray hose. Add two capfuls of Spa Marvel Filter Cleaner to up to 5 gallons of fresh water in a pail. Soak filter overnight in the solution. Remove debris from filter with a strong stream of water. Ideally the filter should be allowed to dry before replacing. Made in the USA.
DANGER: Corrosive, causes burns, harmful if swallowed, keep out of reach of children. Read carefully other cautions on the reverse panel.