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Co2 Injection

856 Views 3 Replies 3 Participants Last post by  Mr.Moe
Do small tanks need Co2 injection? If so how do you inject the Co2?

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Small tanks need CO2 to the same degree that big tanks do. It's a matter of how much light you have. Keep in mind that watts per gallon is a ridiculous measurement, and is only good for comparison between similarly sized tanks. What I mean is that you may have less light than you think you have.
I do mine via a lime stone placed inline under the output. Keeps everything out of the tank. Cheap too.
Hmmmm thats cool but how would i inject Co2 with a HOB filter?
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