Most effective method(s) for injecting CO2 - The Planted Tank Forum
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post #1 of 3 (permalink) Old 03-27-2020, 06:46 PM Thread Starter
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Most effective method(s) for injecting CO2

Hi All,

I've been out of the game for a number of years, and recently have jumped back in. With regards to CO2, what is considered the best ways to get it dissolved into the tank?

Before i went on hiatus (~5 yrs ago), I was injecting CO2 directly into the needle wheel impeller of my sump's pump return. The return flow went through a PVC reactor to catch some of the bubbles before it hit my tank. It seemed to work pretty good, but I went through my CO2 pretty quickly to keep my levels up (partly due to the sump system I know).

I'm running that same system right now, with the seltzer water effect. But now exploring some different ideas, to see whats the latest and greatest

30Adam is offline  
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post #2 of 3 (permalink) Old 03-27-2020, 06:48 PM
Algae Grower
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There are devices call CO2 reactors that can be placed in line on your pump hose that use a spinning impeller to mix and dissolve the fine bubbles into the water. I believe some of these systems completely dissolve the CO2 leaving no small bubbles remaining.
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post #3 of 3 (permalink) Old 03-27-2020, 08:30 PM
Algae Grower
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there is no way to prevent co2 mist in your tank, save for a properly sized reactor. you might want to try to seal your sump if possible to limit outgassing. search sump sealing on tom barr's site. i think he used plastic wrap.
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