co2 500ml - The Planted Tank Forum
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post #1 of 2 (permalink) Old 10-10-2004, 01:53 AM Thread Starter
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co2 500ml

I want to make my own co2 because the hagen unit cost alot.
I don't have any 2L in hand but only 500ml water bottles.
Have anyone tried a diy with a 500ml? how much sugar and yeast do I put?
can I use an air stone as a diffuser?
how to I measure co2 in the water?
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post #2 of 2 (permalink) Old 10-10-2004, 03:21 AM
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Go to the store and buy a two liter bottle of apple juice. Or two one liter bottles. 500 ml IMHO is really not worth the effort.

It's not recommended to use an air stone as a means of delivering DIY CO2. Instead get;new_cart=1 just the Hagen ladder. They are actually a great piece of hardware.

Go to here and download Chuck's calculator. That will tell you how much CO2 you have in the water.
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