Who sells bio fiber for fish tank filters?

Unfortunately, "bio fiber" is not a widely recognized term in the fish tank filter industry. There are many different filter media options available, but "bio fiber" isn't one of them.

To help you find the right filter media, could you tell me:

* What are you looking for in a filter media? (e.g., biological filtration, mechanical filtration, water clarity)

* What type of filter do you have? (e.g., internal, external, canister)

* What size tank are you using?

Knowing these details will help me suggest specific brands and products that would be suitable for your needs.