Filter Substrate - Biological Filter Media
Filter Substrate - Biological Filter Media
Filter Substrate is a biological filter media resembling rock like pieces.
The surface of the substrate is covered in holes and fisures giving it a very high surface area
Perfect for the colonisation of bacteria
Ideal if you are making your own filter
Supplied in 10 litre bags
Filter Substrate - Biological Filter Media Bradshaws, based in York, have been around for many years and are well known, respected and trusted.




