3 Gallon Filter Question

Do you mean for flow, or for filtration? For filtration, you don't even need a filter for a tank that small -- just water changes. But for flow, does it look like there is enough water movement in the tank? I have a 3 gallon pico, and I can't imagine putting an Aquaclear on it! I think the tank would gradually move across the table! :lol:
 
No, but you do need water movement. So you will still have to have a powerhead or pump of some sort. If you don't use a filter, you will need to do large water changes quite frequently.
 
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