Tropical Fish Keeping - Aquarium fish care and resources

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-   -   How often to use co2? (http://www.tropicalfishkeeping.com/beginner-planted-aquarium/how-often-use-co2-26088/)

el Mattador 07-17-2009 12:27 PM

How often to use co2?
 
I have a 29 gal lanted tank. I'vebeen using fertilizer for a while, but just this last week got some co2 dissolvable tabs to use. I made a diy system to get the co2 in the aquarium and used it a couple days ago. I also downloaded the co2 calculator for help, but I'm not sure how many times per week I should add co2? The other night (first time i used it), the co2 only made bubbles that lasted a couple minutes. I've had plants in the tank for a while and after a short period, some leaves start turning brown and the plants get really thinned out. I'm sure I have strong enough lighting - about 12 hrs 50/50 6500k. After using the co2 the other night it seems like the plants look a little greener than normal (could just be in my head though). So i'm planning on trying the co2 for a little while, but am not sure how often to add it. Any help would be appreciated.

Byron 07-19-2009 09:05 AM

CO2 is a nutrient along with macro-nutrients and micro-nutrients and must these be in a balance with the light. There was a thread a while back about using CO2 periodically, and the advice from those with it was no. Plants can only grow during periods when the light and nutrients balance.

fishbum 07-19-2009 09:52 AM

You use CO2 whenever the lights are on.Here are some articles on DIY CO2,

CO2 Injection: The Yeast Method
DIY CO2 basics (and some not-so-basics) - Aquaria Central


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