the bio balls?
Related Questions
- I was thinking of a Filstar 3 plus a trickle filter with a gallon of small bio balls. What about a Filstar 3 and an Aqua Clear 110?
- One more question. For a fish only tank, any advantage to using an Eheim wet/dry, to a conventional one with bio balls?
- How does a scrubber compare to bio balls (wet/drys)?