CO2 on with lights or before? - The Planted Tank Forum
View Poll Results: CO2 on with lights or before?
CO2 on right when the lights turn on 9 47.37%
CO2 on between 30 minutes to 1.5 hours before lights come on 10 52.63%
Voters: 19. You may not vote on this poll

 
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post #1 of 9 (permalink) Old 01-21-2011, 09:39 PM Thread Starter
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CO2 on with lights or before?

I was wondering how many people actaully have their CO2 turn on with the lights or how many turn on their CO2 30 minutes to 1.5 hours or later before the lights come on?

Feel free to give you opinion on why you choose a certain method.

Thanks!
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post #2 of 9 (permalink) Old 01-21-2011, 11:02 PM
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You want to get a "base" of CO2 in the water column so that when the lights come on the plants can go right to work converting it.


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post #3 of 9 (permalink) Old 01-22-2011, 12:05 AM
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or just leave it on 24/7 (what I do) if you dont want to fool with it

it is IMPOSSIBLE to find 1 person who regrets going pressurized

if you do it right, you can spend a lot of money in this hobby...of course, if you do it wrong - you'll spend A LOT more
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post #4 of 9 (permalink) Old 01-22-2011, 12:24 AM
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my diy stays on 24/7/365
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post #5 of 9 (permalink) Old 01-22-2011, 12:31 AM
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Mine comes on at the same time as my lights. I keep meaning to get another timer so it can come on half hour to an hour before, but haven't gotten around to it.


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post #6 of 9 (permalink) Old 01-22-2011, 12:37 AM Thread Starter
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Quote:
Originally Posted by chicken View Post
Mine comes on at the same time as my lights. I keep meaning to get another timer so it can come on half hour to an hour before, but haven't gotten around to it.

How is your plant growth now with the CO2 coming on same time as lights?

Im asking b/c if everything is going well, good plant growth, no algae issues, why change?

I do agree with jmowbray but wonder how much of a difference 30 minutes to an hour would really make?
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post #7 of 9 (permalink) Old 01-22-2011, 12:51 AM
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I've seen this question several times before, and each time there are a number of people who hypothesize that having a "stockpile" of CO2 ready and waiting when the lights come on could only help the plants. I don't, however, remember a single person stating that they have clearly seen a difference, much less providing any real evidence that a 30 minute offset changes a thing.

That being said, it's certainly possible that an offset could help. I can't imagine 30 minutes of CO2 without lighting could hurt much (though I suppose it's possible if you regularly push CO2 to the absolute limit). Until I see some evidence, from some legit side-by-side study, I'm gonna have to call this one a myth, or at best an unconfirmed hypothesis.
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post #8 of 9 (permalink) Old 01-22-2011, 02:26 AM
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CO2 with lights. I don't want 2 more timers.

"Ich Hatte Einen Kameraden"
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post #9 of 9 (permalink) Old 01-22-2011, 05:47 AM
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in my experiance it only takes 10-15 min to saturate the water, also i like giving my plants time to "wakeup", if you turn your lights on when all the leafs are closed they dont just snap open and go to full production at least mine dont.
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