Can a filter be too big?

[annsimpson1]

if you want a good cheap system then have a look at a pond pump and pond canister filter, because the filters don't have a powerhead they will last forever and just need a denser filter medium and the pumps are far cheaper. We hid ours under the tank, we also used this system for n enormous 5t tropical tank and it worked brilliantly again just change the filter medium.