Yamitsu Alfagrog Pond Filter Media 2kg albino sturgeon fibreglass

fibreglass

The Nexus filter systems also use the acclaimed K1 Media in the moving bed to deliver outstanding levels of biological filtration

Max pond size 1700 gallons (7650 litres) - Max 1000 gallons for koi ponds

Merseyside

especially when added once a month into your filter

Yamitsu Alfagrog Pond Filter Media 2kg albino sturgeon fibreglassAlfagrog 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