The Planted Tank Forum - View Single Post - The Importance of CO2 in a Planted Tank
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Old 10-12-2012, 04:20 AM   #14
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Originally Posted by golfer_d View Post
So it is just used basically to help plants grow quicker?

Or some plants really do need it to even grow at all?
All plants need it, and it is present in all tanks, however plants can only grow so much when you limit their needs (light, food, co2). Plants that need higher light will need more co2 than is in your tank normally so you would need to add it. Hopefully that makes sense

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