The Planted Tank Forum banner

bio wheel

999 Views 7 Replies 6 Participants Last post by  Diana
A Marineland 100 external filter came with my tank. It has a "bio wheel". It looks like a water wheel, made of corrogated paper product. It looks as if it is supposed to spin. However it does not, though it will spin freely if I pour some water on at. Is that normal?
1 - 1 of 1 Posts
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top