Iam currently working on my new cube it is 24x24x19..... I have a glass overflow in the back center and would like 2 power heads on each side ... ive have a Koralia in my biocube for 2 years and its never gave me troble at all so i would like to stick with that brand ! now whats thought about...

Hi Everyone :) I have a 12 gallon JBJ DLX that has the regular duckbill outlet, I just purchased (thru Amazon) a Hydor Koralia Nano Pump 425gph :blob: Does anyone have this setup with the hydor? if so how do you like it? will it be too much for my clowns? I also have a few new frags..

I just bought my new koralia nano for my 10 gallon tank. I previously had an old powerhead which was only 84 gph. when i tested this koralia in the sink, it seemed pretty weak, is this normal? when i tested my 84, it felt like it was stronger, but im not sure. the old powerhead had a focused...