The Planted Tank Forum - View Single Post - Does Anyone Use The Nutrafin CO2 system?
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Old 11-20-2012, 04:35 AM   #3
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Did not get good CO2 production out of these (I got 2 when I bought used tanks).
I get much better production with a 2 liter bottle, DIY set up. I used the same recipe in the little bottles, but it just did not work well.

For a 30 gallon tank I would set up 2 x 2 liters and rotate when to re-do them.
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