Air bubbles or no bubbles in tank

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Jack Dempsey
MFK Member
Feb 14, 2013
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Philippines
Hello, I dont know if there is a thread already for this question but I would like to know if it is better to have air bubbles on the return pipe of my tank ?
currently my return pipe extends down to the water level so no air bubbles come out. I have a sump filter below the tank which of which the overflow pipe goes into and this creates air bubbles. I know the air bubbles in the sump is enough to provide some oxygen to my fishes but I would like to know if having air bubbles on my main tank will be better.

By the way, if there is already a thread for this, please let me know tks !

here's a video of my 400 gallon tank :
https://www.youtube.com/watch?v=vUvM-H72lJU

Tks :)
 
I always try too put air line in my tanks. Heavy oxygen just makes me feel better. In my first canister filter setup I suffercated a couple small fish. I didn't even think about them not having air. So if your in any doubt at all run some air in there. It's only going too help. Plus hide line good and it does look good in your tank. Love the bubbles.


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Depends, if you have a lot of stock, no plants in your tanks and live in a very warm climate then there is no problem adding an air stone for peace of mind...

In reality, unless you have a planted tank with Co2 being added, adding an air stone shouldnt cause any problems, just more personal preference :)


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I would definitely add bubbles to the main tank. IME some of my fish like to play in the bubbles. I also have peace of mind knowing they have plenty of oxygen in the off-chance a storm wipes out power for a few hours.

I like the aesthetics that bubbles add to the tank, also.
 
I keep the water jet a touch above the water just to help add extra oxygen to the tank. Never a bad thing to do.
 
I always like to have an airline to one of the powerheads in the tank. More piece of mind than anything.
I kinda like having the tiny little bubbles in the tank
 
Oxygen exchange occurs were air and water interact, therefore the surface of the water or where ever water falls freely through the air is where most of the exchange occurs.

Air bubbles provide a tiny fraction of the surface area as compared to the top of the tank (and are trivial compared to water flowing freely through the air into a sump.) What bubbles do, if properly placed, is to encourage water to move, and if the air enters the tank at the bottom, it will encourage the water to move upwards to the surface. Since oxygen levels are typically lower at the bottom of the tank, this will serve to encourage more overall oxygen in the tank.

Moving water from the bottom of the tank to the top is more of less the more efficient process since oxygen exchange is primarily performed at the top and since low levels of oxygen are primarily at the bottom.
 
tankmasta said:
I always try too put air line in my tanks. Heavy oxygen just makes me feel better. In my first canister filter setup I suffercated a couple small fish. I didn't even think about them not having air. So if your in any doubt at all run some air in there. It's only going too help. Plus hide line good and it does look good in your tank. Love the bubbles.
Click to expand...

tks tankmasta ! however i find the calmness of the water without air bubbles more soothing and relaxing ... just want to know if having no air bubbles can do any harm to my fishes ...
 
Fat Homer said:
Depends, if you have a lot of stock, no plants in your tanks and live in a very warm climate then there is no problem adding an air stone for peace of mind...

In reality, unless you have a planted tank with Co2 being added, adding an air stone shouldnt cause any problems, just more personal preference :)
Click to expand...

Tks fat homer ! just want to know if having no air bubbles can do any harm to my fishes ... or will fishes be more happy with an airstone ? my sump below i think already has a lot of air bubbles ...
 
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