Numerous materials are suitable as aquarium filtration media these include synthetic wools, known in the aquarium hobby as filter wool, made of polyethylene terephthalate or nylon.
Numerous materials are suitable as aquarium filtration media. These include synthetic wools. These synthetic wools are made of polyethylene terephthalate or nylon aquarium filtration media. Synthetic wools are known in the aquarium hobby as filter wool.