Surface Agitation

Gabbone

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Hi guys,

quick question;

I want to make sure I have properly surface agitation to get better gas exchange.

How do you know you achieved that? Do you need to actually see air bubbles creating and popping at the surface or just a fast movement of the whole surface? I have my return nozzle and powerhead aiming at the surface and they create a lot of movement but I don't see any bubbles or hearing sounds of water breaking the tension.

Do you have a "scientific" way to do that?

Many thanks!

Gabri
 

Dan_P

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Hi guys,

quick question;

I want to make sure I have properly surface agitation to get better gas exchange.

How do you know you achieved that? Do you need to actually see air bubbles creating and popping at the surface or just a fast movement of the whole surface? I have my return nozzle and powerhead aiming at the surface and they create a lot of movement but I don't see any bubbles or hearing sounds of water breaking the tension.

Do you have a "scientific" way to do that?

Many thanks!

Gabri
Surface ripples and swells are a good indication of surface mixing.
 

BrokenReefer

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I am no scientist but my understanding is the same as what Dan_P said, as long as there movement in the water surface that is enough to promote that exchange.
 

Malcontent

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Is surface agitation even a good way to oxygenate water?
 

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