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The sponge filter conundrum.

hn5624

New Member
Joined
18 Nov 2022
Messages
4
Location
United States
So I have a sponge filter in this tank with an adjustable air pump.

It also has a GLA CO2 atomizer

Here's the conundrum...
The higher I turn the air pump, the more flow goes into the tank. The longer my co2 bubbles from the atomizer stays in solution.

However...
The higher I turn the air pump, the more CO2 is degassed.

Suggestions?
I know there's a sweet spot but I can't quite figure out where it's at. Do additional bubbles from the air pumps really degass much CO2 beyond disrupting surface tension?
 

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