2-10 Days Pump Clean Multipurpose product for removing limestone residue on pumps and else. Sicce Pump Clean is Completely Natural which makes it ideal for removing limescale residues from pumps, filters and all other aquarium, pond, hydroponic products that are used in close contact with water or fully submerged. Key Features 100% Safe, environmentally friendly, biodegradable, green, organic powder product designed for multiple applications. Reduces maintenance and cleaning practices of the pump by 50%. Regular use preserves the product and slows down wear. Also safe for general housekeeping applications: DESCALER FOR WASHING MACHINE AND DISHWASHER RINSE AID FOR DISHWASHER SOFTENER FOR WASHING MACHINE NATURAL DISSOLVANT APPLIANCE EXHAUST MAINTENANCE COOKWARE CLEANING RUST STAIN REMOVAL GARMENT ANTI-FELTING Do not use for cleaning of surfaces such as wood, marble or materials for which the use of acid substances is not recommended It is recommended to always wear gloves and avoid direct contact with eyes Store in a dry place away from heat sources and away from the reach of children and pets Dosage: 75gr/2.65oz in 0.50 litres/0.13 US gallon of water 150gr/5.3oz in 1 litre/0.26 US gallons of water