Questions About Co2

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NeWcS

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The first time I tried setting up a planted tank I failed. So I want to try again. Im going to make a DIY co2 system using a 2L bottle and the sugar/yeast method.

Some questions I have.

The way im setting my plants up are most of the plants are going to be to one side of the tank(42gal long tank). Does the co2 output need to be close to the plants or does it really matter?

Also, Can I set the output tube from the co2 just under the intake on my HOB filter to help diffuse the co2 into the water? So the co2 bubbles come out the tube and into the intake and through the filter?

-Jay
 
CO2 concentration will be higher at the source of diffusion, and this is why it is reccomended you have 10x turnover in a planted tank so CO2 & nutrients get distributed evenly.

And yes, you can diffuse through the filter.
 

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