Aqua One CeramiSub Ceramic Premium Substrate 750g

Aqua One CeramiSub Ceramic Premium Substrate 750g is ideal to use in any type of filter and is an ideal media for biological filtration. Suitable for freshwater and saltwater use. High porous it provides the ideal environment for beneficial bacteria to colonise and thrive. CeramiSub acts both mechanically removing solid particles and biologically to convert ammonia to nitrite to nitrate. This is important in all aquariums as ammonia and nitrite can prove lethal to your fish. CeramiSub should be used as a permanent filter media.