GPH

The Ultimate Guide: How Many GPH Does a Koi Pond Need

The Importance of GPH in a Koi Pond If you are planning to build a koi pond or already have one, you may have heard about GPH. GPH stands for gallons per hour, which refers to the amount of water that can be pumped from the pond per hour. The GPH of your koi pond is crucial for maintaining good water quality and keeping your fish happy and healthy. The number of gallons of water in a koi pond varies depending on its size. … »