The Planted Tank Forum - View Single Post - Direct Sunlight Without Algae Problems
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post #43 of (permalink) Old 08-10-2012, 12:40 AM Thread Starter
Algae Grower
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Join Date: Jan 2011
Location: Philippines
Posts: 148
Originally Posted by Steve001 View Post
Don't be too happy about seeing bubbles. The reason you are still seeing bubbles is, your plants are using calcium carbonate, magnesium etc. to get their needed carbon. This method of acquiring co2 is an energy intensive means for the plants and will eventually lead to poor growth; co2 injection is not. So turn on the co2 again.

Thank you for this advice. I have already turned the co2 on this morning. I just experimented on it because somebody asked me if the Pearlweed still bubbles without co2. I did notice my other plants especially no longer doing well when I deprived them of co2. Thanks again
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