So CO2 at night is bad, right? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 02-26-2012, 07:34 AM Thread Starter
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So CO2 at night is bad, right?

I thought and I took the tube and filter/diffuser out of the tank(easy to do) and secured it into a small bowl of water on the floor, so that the filter would stay in water and not dry out or something. In the morning I'll put it back in, but at what time would be the most beneficial for the plants?
Or is this going to be a waste of time? I got the time.
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post #2 of 4 (permalink) Old 02-26-2012, 08:19 AM
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with diy co2 its probably a waste of time
there is nothing wrong with adding co2 at night as long as concentrations dont get to high and there is adequate o2
if the concentrations dont get to high then there is the added benefit of having enough co2 in tank when lights go on
some people have air stones that come on at night with a timer
if there concerned about to much co2
this seems a easier thing to deal with the taking out your co2 diffusor system every night




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Originally Posted by texasblitzem View Post
I thought and I took the tube and filter/diffuser out of the tank(easy to do) and secured it into a small bowl of water on the floor, so that the filter would stay in water and not dry out or something. In the morning I'll put it back in, but at what time would be the most beneficial for the plants?
Or is this going to be a waste of time? I got the time.
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post #3 of 4 (permalink) Old 02-27-2012, 12:45 AM
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When I had DIY CO2 I left it running all the time, but just made sure I had some surface agitation going at night. Now that I have a paintball CO2 setup, I turn it off at night (just turn the valve off) so that I don't waste CO2.

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post #4 of 4 (permalink) Old 02-27-2012, 12:52 AM
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You can let it run within the tank during the night time. I have a couple systems that turn on/off, one system that runs 24/7 with a controller, and a DIY systems that runs nonstop. Depending on what your recipe is, how you diffuse it, and tank size, it is unlikely that you will create too much co2
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