Air flow rate for Sponge filter
I rigged a sponge filter rated for 80 gallons into my 55 gallon tank 4 weeks ago. I was wondering what the optimum air flow rate is for the filter. Right now, I let some of the air out of one of the extra outlets from my gang-valve and put the rest in. Otherwise there's too much bubbles and ripples at the water surface. It also causes scales to form on the glass cover = less light to the plants in the water.
Any advice / suggestions will be appreciated,
I aim for a steady air flow up the stem of the filter, not individual bubbles you could count, but a steady stream that creates more of a...well, stream, rather than bubbles. If that makes sense.:roll:
Also, I got my sponge filter about a foot aqay from the right side of the tank since the HOB filter is on the left side. If I remove the HOB filter, would it be better to reposition the sponge filter to the center?
You probably have the air stream like I was trying to indicate. If I had a video cam I could make a movie, but I don't.
I got a couple of power heads at a garage sale recently.
I've seen on videos that I can attach them to the top of sponge filters. I was wondering if its better to keep my exixting set up using an airstone - or use the powerhead. I am currently favoring using the airstone since I already have a HOB filter for circulating the water in the same tank (with a baffle) and also have floating plants.
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