When performance matters the Viper Series 400 Watt UV Sterilizer delivers the highest UV outputs and flow rates at a fraction of the size. The Viper Series is designed for maximum performance, power, and reliability.
Summer usually means increased pond water loss due to evaporation, which of course leads to topping off our ponds more. You should always add dechlorinator when topping off the water level of a pond. Any amount of chlorine (such as that found in treated water) can be harmful to your fish. Even if it is not enough chlorine to mean immediate death of the fish, this chlorine can still cause harm to proper gill function.