Pump Question

intsikto

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im just wondering about airators,pump overhead filters and others..

Is it needed for pumps airators to produce bubbles?
what if there is no bubbles, so there is no air for the fish?

i have a tank that has an overhead filter, and i think the flow is to strong so i have to do something about it.
normally overhead filters have 3 opening, 1st for sucking,2nd for blowing,3rd for filter(conected with the filter above the tank)..

to lessen the flow i made the 3 opening to 2.. 1st for sucking(suck aquarium water), 2nd for filter..
this means that water wont be pump back by the suppose 3rd opening, but now flow down through the filter above..

is this ok? will the fish be ok with this?
 
an air pump is NOT necessary, as long as you dont see your fish coming up to the surface for air then ther is plenty of oxygen in the tank
 
As far as i am aware, the pump creates agitation at the water surface to allow the oxygen to enter the water and as long as the fish arent gasping for air at the surface it should be fine, otherwise you will need to introduce air via a pump or oxygen tablets. I a a newbie so that is about all i can say, but thats what i was told. Hope that helps.GRJ :rolleyes:
 
Air pumps don't actually add air to the water. They create surface movement which tranfers O2 to the water. Surface movement creates friction between water & air, transferring molecules.
 
Air pumps don't actually add air to the water. They create surface movement which tranfers O2 to the water. Surface movement creates friction between water & air, transferring molecules.


so.. if i have a an air pump, the bubble are the one creating friction, when it hit the surface of the water?
is that what your saying?
 
You don't need air pumps in this day and age anymore as long as you have an overhead filter. Canister filters and fluidized beds, and especially RO units remove the majority of oxygen from the tank, so a bubbler would be ideal in a tank like that, but with an overhead, the cascade causes air to be dissolved in the water in high amounts. So you should be fine.
 
Air pumps don't actually add air to the water. They create surface movement which tranfers O2 to the water. Surface movement creates friction between water & air, transferring molecules.


so.. if i have a an air pump, the bubble are the one creating friction, when it hit the surface of the water?
is that what your saying?

The bubbles create surface movement, this surface movement creates friction between air & water.
 
You don't need air pumps in this day and age anymore as long as you have an overhead filter. Canister filters and fluidized beds, and especially RO units remove the majority of oxygen from the tank, so a bubbler would be ideal in a tank like that, but with an overhead, the cascade causes air to be dissolved in the water in high amounts. So you should be fine.

e cascade causes air to be dissolved in the water in high amounts.

can you explain more on this.. so that i will be at peace..tnx!!
 
Yeah surely. As some people have said, the surface agitation causeds oxygen to be dissolved into the water. SO a cascading overhead filter will cause a lot of surface agitation right? Think of a waterfall flowing down into a pool. It doesnt hit the water and stop, it hits it and flows all the way to the bottom crashing into the soil in the pond. In doing so it forces a lot of oxygen into the water. The cascade is falling through the air and collects a lot of oxygen as it falls.

Now if you have a canister filter, normally they go into a canister that removes oxygen and co2 among other gases which can be harmful. The outakes on canisters are often also placed well below the surface so the jets of water spewing forth do not touch the open air, thus not gathering any oxygen from it. In this circumstance a bubbler is a good option.

Think of it this way. Have you seen a spider floating on the water before? This is a complex scientic law that essentially is using the polar bonds in water to make a surface tension. These polar bonds can be difficult for oxygen to pentrate. Thats why stagnant water is low in oxygen. However, a bubbler, or any device that creates surface tension, breaks the polar bonds apart and reassembles them, making an entry point into the water for oxygen to dissolve. Basically turbulence in water is like puncturing a hole in a ballon, your making a small hole for gas to escape, or in the case of water, to enter.
 
Yeah surely. As some people have said, the surface agitation causeds oxygen to be dissolved into the water. SO a cascading overhead filter will cause a lot of surface agitation right? Think of a waterfall flowing down into a pool. It doesnt hit the water and stop, it hits it and flows all the way to the bottom crashing into the soil in the pond. In doing so it forces a lot of oxygen into the water. The cascade is falling through the air and collects a lot of oxygen as it falls.

Now if you have a canister filter, normally they go into a canister that removes oxygen and co2 among other gases which can be harmful. The outakes on canisters are often also placed well below the surface so the jets of water spewing forth do not touch the open air, thus not gathering any oxygen from it. In this circumstance a bubbler is a good option.

Think of it this way. Have you seen a spider floating on the water before? This is a complex scientic law that essentially is using the polar bonds in water to make a surface tension. These polar bonds can be difficult for oxygen to pentrate. Thats why stagnant water is low in oxygen. However, a bubbler, or any device that creates surface tension, breaks the polar bonds apart and reassembles them, making an entry point into the water for oxygen to dissolve. Basically turbulence in water is like puncturing a hole in a ballon, your making a small hole for gas to escape, or in the case of water, to enter.


VERY WELL SAID!! TNX!!

the higer the filter the stronger the water will fall, more oxygen. But my problem is that my Overhead filter is near the surface area of my tank, so it doesnt force much water into my tank.. less oxygen 4 my fish.. right?tsk
 
Drop the water level a little. The only problem with this is an increase in noise.
 
im just wondering about airators,pump overhead filters and others..

Is it needed for pumps airators to produce bubbles?
what if there is no bubbles, so there is no air for the fish?

i have a tank that has an overhead filter, and i think the flow is to strong so i have to do something about it.
normally overhead filters have 3 opening, 1st for sucking,2nd for blowing,3rd for filter(conected with the filter above the tank)..

to lessen the flow i made the 3 opening to 2.. 1st for sucking(suck aquarium water), 2nd for filter..
this means that water wont be pump back by the suppose 3rd opening, but now flow down through the filter above..

is this ok? will the fish be ok with this?

i have the best suggestion take some oil and put it on the top of your tank like a couple of drips and then when fish caome up they have some nutrition and some air my fish my dad has it for 20 years now and it always works
 
Wow this is gettin deep :crazy:

As far as I see it the only place where air can dissolve into water is at the surface.
Bubbles travel to the surface far too quickly to transfer much.

What the bubbles do is to cause ripples at the surface which actually increases the surface area to double or more thus more contact area between air and water.

What tank do you have btw?
 
Yeah in that case, getting an air bubbler for insurance wont hurt at all. Probably not necessary, but it is always good insurance. Good luck. ;)
 

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