Stopping CO2? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 01-12-2010, 08:05 PM Thread Starter
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Stopping CO2?

I just started up a planted tank and was looking to start with a DIY setup for awhile, I'd love a CO2 tank setup, but I can't swing the cost at the moment.

With a DIY setup, I'm thinking that realistically I might not be able to keep up with swapping out yeast, etc. long term. If I were to start adding CO2 for a few months, and then stopped, would I start to lose plants?

Thanks much,
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post #2 of 4 (permalink) Old 01-12-2010, 08:43 PM
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I don't think that stopping the CO2 will kill your plants. I think that this question will be hard for people on here to answer or explain other ill effects that might happen from stopping the use of CO2 without knowing more about your tank. Lighting, ferts, size, ect....

If your doing a weekly water change, changing the yeast/water mixture is a minor bi-weekly chore, IMO.


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post #3 of 4 (permalink) Old 01-12-2010, 10:09 PM
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I came to hate changing my DIY CO2 bottle every week, so I stretched it to every 2 weeks, which sometimes was every 4 weeks when I would forget it. But, really, it isn't a very big or hard job. And, it isn't expensive each time you do it.

If you have high light intensity on your tank, then stopping the CO2 will very likely result in algae problems a couple of weeks later. But, if you have low light, stopping the CO2 will make the plants stop growing for awhile, but probably won't cause a major algae problem. Plants have to adapt to living with or without CO2, so stopping the CO2 would make them adjust their internal production of various enzymes, and that is what would stop their growth for awhile.

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post #4 of 4 (permalink) Old 01-12-2010, 10:10 PM
are you experienced?
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i have run co2 for a year ( diy) wiht medium lighting and quit for months and only difference is algae growth and plants dont grow as fast, as long as your using ferts the plants will be fine.
lower lighting it will be fine, i went from medium lighting to lower on the tank so the algae is gone.
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