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Merseyside
The Nexus filter systems also use the acclaimed K1 Media in the moving bed to deliver outstanding levels of biological filtration
The Unique selling point of this item is that it is tearproof – if the liner gets punctured the hole will not 'run'
250 litres
fibreglass
Yamitsu Alfagrog Pond Filter Media 2kg albino sturgeon MerseysideAlfagrog is a Volcanic rock and has been used now for several years with a great deal of success. It is very inert and soon colonises with beneficial bacteria. It's high surface area makes it an ideal material on which micro organisms can adhere and boost biological decomposition of pollutants. The highly porous material contains many thousands of tiny pockets in which bacteria can thrive making in an ideal material for biological filters. Alfagrog is
