lurker wrote:

ive had 12 bioballs in my canister for months now and they seem to be
pointless. can anyone recomend something they may work better. the
canister uses a sponge and theres plenty of free space.

thanks for any tips


Hi, Lurker,
I just added a few pictures to my pond site showing my bio-mechanical
filters with the cut up scrubber pads. You should be able to click on
the link below to check them out. The scrubber pads also are great for
plant roots too!
W. Dale