Bubbles outside a Diffuser - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 10-13-2015, 05:11 PM Thread Starter
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Bubbles outside a Diffuser

I have a glass ceramic diffuser. I see like millions of tiny bubble sticking to the glass from outside. What are these bubbles.

1. co2 or o2. ?

2. Why is the phenomenon happening?

ill post a picture tomorrow.

Hey Guys so new to the hobby. So excited to be here.
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post #2 of 3 (permalink) Old 10-13-2015, 05:30 PM
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Co2, the bubbles are sticking to the surfaces before they dissolve
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post #3 of 3 (permalink) Old 10-13-2015, 05:33 PM
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When bubbles are small enough; the force of their buoyancy becomes close enough to the force of adhesion with solid objects. This results in the phenomenon of tiny bubbles adhering to solid surfaces. Whatever was the content of the original bubble; with time all these bubbles will have the same composition of atmospheric air if the water body is contact with air; this is the result of the process of gaseous diffusion. If you want to know what was the original composition of the gas in those bubble - it would be a guess-work and a surmise based on probability of bubble production by proximity like - CO2 diffusers, plant pearling, fish exhalation, aeration etc etc

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