Eheim Substrat Pro Filter Bio Media – 2 Liter Box – Premium Biological Filtration For Aquariums

If you're serious about your aquarium's water quality, you know biological media is key.

This is a 2-liter box of Eheim Substrat Pro, and it's some of the best stuff you can put in your filter.

It's brand new and sealed.

This media is designed to give beneficial bacteria a massive amount of surface area to colonize, which means a healthier tank with stable water parameters.

It's perfect for canister filters or any wet/dry setup.

Just rinse it off and drop it in.