i am thinking of upgrading my filter to a Eheim Ecco Canister Filter- 2234, and moveing the aqua ball to my 15G. i was wondering if the Eheim 2234 ecco canister filter would be good, and is it worth the 94 USD? i like eheim, i LOVE my aqua ball, and i want to get rid of HOBs on my tanks! thanks!
