2L C02 bottle and how many gallons does it go with?

Batmanjay28

Batmanjay28

AC Members
Aug 22, 2006
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Oregon
About how many gallons does 1 2L C02 bottle used for? Like I have the Hagen Plant growth C02 system and it pumps for a 20 gallons of water. So one 2L bottle would be good for like 20 gallons if you use the reconmmonded doesage?

I have 1 hagen plant growth C02 system and 2 2L bottles for my 55G tank....would that be ok?

Basically I'm asking if 1 2L bottle of C02 = 1 hagen plant growth system?
 
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Not sure about that, but if I were you, I'd just go with three 2L bottles. The plant grow systems are a rip IMO and work the same as 2L bottle with yeast mix.
 
The Hagen might be rated for 20 gallons but there is no way it will actually inject enough CO2 to reach 30 ppm for 99% of the people who use it.

When I had a 10 gallon planted with a HOB filter I used to use about 3 liters of mix just to try and hold CO2 levels above 20 ppm.
 
Just thought I would throw this in here.

The greatest growth response has been seen in plants with C3 photosynthetic systems (C3 because carbon is initially fixed into a 3-carbon compound). Photosynthesis is stimulated by elevated CO2 in C3 plants because the enzyme that helps fix CO2 into sugars is less inhibited by oxygen in the leaf at high CO2 concentrations. As the enzyme controlling carbon fixation in plants with C4 photosynthetic systems is not inhibited by oxygen, there is no direct CO2 effect on photosynthesis in C4 plants.
Carbon storage in C3 plants may also be increased by a decrease in the respiration rate of plants--the rate at which stored carbon compounds are converted into CO2, water and energy. Since 1987, Drake and his colleagues at the Smithsonian Institution have found a consistent increase in photosynthesis and a decrease in respiration in a C3 brackish marsh dominated by Scirpus olneyi exposed to 700 ppm CO2 (twice ambient concentrations)(Arp and Drake 1991; Drake 1992; Drake et al. 1996a). Gas exchange measurements indicate that over a ten-year period, the C3 plots exposed to elevated CO2 have been able to assimilate 8 kg/m2 more carbon than plots exposed to ambient CO2 concentrations. This increase in carbon assimilation or 'net ecosystem production' with elevated CO2 was not seen in the adjacent C4 marsh community. Increased carbon assimilation in the Maryland C3 marsh community resulted in an increase in shoot number, an increase in root growth, and a decrease in root and shoot nitrogen concentrations (Curtis et al. 1989a; Curtis et al. 1989b; Curtis et al. 1990; Drake et al. 1996b).
http://www.hrw.com/science/si-science/chemistry/matter/carbon/carbon_teco.html
 
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