Are Bubbles necessary?
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Are Bubbles necessary?

This is a discussion on Are Bubbles necessary? within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> I know this seems like a bubble obsession if you saw the other post however, when I first set up my filter, I had ...

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Are Bubbles necessary?
Old 11-01-2011, 07:55 PM   #1
 
Are Bubbles necessary?

I know this seems like a bubble obsession if you saw the other post however, when I first set up my filter, I had bubbles going down into the water to add air the water. The bubbles seem to have disappeared.
I do know that the water drops within the filter on top and that water flows through some filter material before dropping into the tank. The inlet to the tank is under the surface so no bubbles are added there.
I have thought about changing the material in the filter but if the bubbles going into the tank are not necessary, I will just let it go.
There is a flow of water in the tank so the water is not stagnant.
My question is, " Is it necessary to have the bubbles in the water?"
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Old 11-01-2011, 09:34 PM   #2
zof
 
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Nope surface agitation is the main factor in oxygen exchange with water. If you have a HOB filter you should have plenty of surface agitation.
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Old 11-01-2011, 11:35 PM   #3
 
Thanks. It fits on the top but it works the same way. Sucks water out of tank with a pump and drops it into the fliter where it flows down through the filter material and then back into the tank.
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Old 11-01-2011, 11:39 PM   #4
 
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what zof said.. and sometimes(mainly planted tanks) its more of a hinderance that a benifit...as long as you got plenty of water movement, you will be just fine
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