10-16-2011, 04:16 PM
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Originally Posted by zof
Well your best bet is just to get a airline splitter and a sponge filter to run both, but as for it your idea will work, sure it will to a point. It all depends and the actually placement of the sponge, it should be place below the outflow of the air so the water still gets drawn through it. But you will still need to keep an opening through the sponge to the UGF so it can still draw water that way easy. The problem really arises in this situation the water will have an easier time going through one or another so the other one will be under utilized with water flow.
I'm just kind of guessing here on what your setup plan looks like, it might be easier to say nay or yay if you gave a bit more description or a drawing.
BTW welcome to TFK
Also I hate UGF but I don't let that get in the way of the mechanics I enjoy solving
Ahh, lets see if i can explain (although i wasn't aware the sponge had to be below the airstone, so that may change it)
Basicly, this is my tank...
That center tube is between 2-3" wide with a airhose running down the center connected to an airstone at the very bottom
My thoughts were, to add a larger airpump, i was thinking TopFin 3000 airpump, to increase the air power then add a sponge right above where the airstone is connected...but now finding out the sponge would need to be below the airstone, would it work if i just replaced the airstone and added the bigger pump with a small sponge filter like this one or would that make the undergravel filter not work?