Complete Aquatics IonMate Electronic Pond Clarifier is a water clarifying system for ponds, pondless waterfalls, water gardens, and other decorative water features up to 25,000 gallons. The IonMate drastically reduces pond maintenance and provides crystal clear water without the use of chemicals. This ion pond clarifying system only uses 99.99% pure copper alloy probes; it does not use residual bactericidal silver or zinc fillers. It is EPA registered and safe to use around fish, plants and pets.