In purchasing pond filters, you can choose from the three basic types of filters, the Sand Pool Filters, Diatomaceous Earth (DE) Filters and Cartridge Filters. If you have above ground pools and fish ponds, Sand Pool Filters is the perfect choice for it use specially graded sand as the filter media. On the other hand, DE filters use diatomaceous earth filter media. It has plastic grids covered with a plastic type of fabric. Its grid is then covered with Diatomaceous Earth, a layer of filter powder that does the filtering. The most common type of swimming pool filter is the Cartridge filters. It uses a replaceable fabric-like pleated cartridge cylinder as its filter medium.
One of the easiest and useful pond filters is the Pondmaster PMK190. It provides an easy and convenient way of matching a pond filter to the right pump and fountain head for smaller ponds. Along with the kit is a pump with filter and water bell fountain head suitable for smaller ponds including deck ponds up to 200 gallons. It can operate with 15 watts of electricity. It is also equipped with a 10 foot power cord and provides mechanical and biological filtration. The pump functions well and can powerfully dislodge190 gallons of water every hour for well-nourished plants. Its large filter guards bigger fragments from congesting the pump. It provides mechanical and biological filtration transforming harmful pathogens into valuable nitrates for plants.