Cloverleaf Bacterial Water Answer provides an effective treatment for open wounds, fin rot and ulcers. The trusted Cloverleaf Water Answer concentrated range has been specially developed with ornamental koi ponds in mind. This professional pond treatment range offers a double strength formula providing a reliable treatment that is economical, space saving and environmentally conscious. Cloverleaf Bacterial Water Answer Dose Rate:Add 10ml per 500L - 110 gallons 250ml Treats: 12,500L - 2,750 gallons500ml Treats: 25,000L - 5,500 gallons How Do I Use Cloverleaf Bacterial Water Answer?First start by calculating the water volume, shake the bottle well before administering. Fill the measuring cup with the correct amount, stir into a bucket of water & distribute evenly. Dose on day 1, repeat after 10 days if necessary. (Maximum of 4 applications) Turn off UV for 5 days while dosing. Do not use other medications for 10 days after the last added dose. Note: Always fully read instructions prior to treatment.