The Planted Tank Forum - View Single Post - Hagen versus homemade formula
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Old 02-17-2004, 03:32 PM   #1
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Hi, I was just wondering what is the difference between the Hagen co2 formula and the DIY one? Does the Hagen work better? Anyone use it in a 2 litre pop bottle?
I have never seen it in action, so I don't know. They had it on the back of a tank at the pet shop the other day but it had run out; so never got to see the ladder working on it.
Thanks for any replies.
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