Evolution Aqua K+ Down-Flow Filter Media Sinking 50L Fish Feeder They should be in a

They should be in a species only aquarium or with similar sized brackish fish when juvenile

For salt and freshwater fish

and unobtrusive

making it the best large volume Eco pump around

Evolution Aqua K+ Down-Flow Filter Media Sinking 50L Fish Feeder They should be in aEvolution Aqua K+ Down Flow Filter Media Sinking 50L K+ media provides the maximum active surface area for bacteria to colonise, more than other types of static media. It is this process which removes harmful ammonia and nitrite from the water. Unlike foam, matting, or other forms of static filtration media, the Kaldnes media is designed to move freely within your filter and the constant chaotic movement of the air from your pump, causes the media to