SunSun Complete Set of 12 Filter Sponges for CBF-350C Biological Filter - 4 Yellow, 8 Blue - Replacement Part Filtration Foam - Filter Media for Swimming Pool Water

Filtering your garden pond's water is a way to ensure the water remains of good quality and has a correctly balanced ecosystem. It comes down to mechanical vs biological filtration, with the possibility of adding UV lamps. Starting with the submerged filter and through to the pressurized filter, here is all our best advice for obtaining a properly oxygenated and clear pond water.