SICCE Pump Clean Aquarium Equipment Cleaner – 32oz (900g) Keep your Sicce pump in prime operating condition with the newSicce Pump Clean! Over time, natural mineral deposits will form in your pump, which can lead to undesirable operation or even failure when left untreated. Sicce Pump Clean is a super-concentrated, yet safe solution that can quickly remove these mineral deposits, ensuring a longer pump life and more efficient operation. Features: Eliminates the most difficult limestone residues from pumps, filters, and all other aquarium/pond/hydroponic products Reduces maintenance and cleaning practices by 50% Regular use preserves the product and slows down wear Do-it-all advanced formula multipurpose solution All natural, aquarium-safe formula Environmentally friendly and 100% biodegradable Can also be used for general housekeeping applications (descaling washing machines, whitening tile grout lines, rust stain removal, cookware cleaning, and more!) Instructions for Use: Dosage: 4 tablespoons / 2oz / 56g per 1 quart / 1 litre Process: Add 2oz / 56g of Pump Clean to 1 Quart of water and mix until the solution has fully dissolved Fully submerge pump in solution Wait 3-4 hours for DRY calcified deposits Wait 2-3 hours for WET calcified deposits Use a soft brush to gently scrub the pump Rinse multiple times for best results