question bout my co2 system - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 4 Old 12-11-2010, 09:15 PM Thread Starter
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question bout my co2 system

my lfs guy reccomended a nutrafin co2 natural plant system for my 55g. when i set it all up at home i looked on the box and it was made for tanks up to 20g (doh!) i dont have very demanding plants (Wisteria hornwort java ferns and moss) and i do have pretty amazing plants lights so would the co2 system i have at least make the slightest difference in my plants?
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post #2 of 4 Old 12-11-2010, 11:49 PM
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I think you're probably fine, many people keep plants with no co2 system, but I wouldn't return it, I'm sure it helps.
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post #3 of 4 Old 12-12-2010, 04:26 AM
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It should be ok... Only serious plant keepers keep co2, so it shouldnt matter if it is not reccomended for ur size tank.. I co2X and it really did make my plants flourish but it ran out...

26 Gallon Community:
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Opaline Gourami
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post #4 of 4 Old 12-12-2010, 02:37 PM
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Aquatic plants require a balance between light and 17 nutrients,of which carbon (CO2) is but one. Increasing any single nutrient without ensuring everything remains in balance will not normally assist the plants (unless that nutrient was completely lacking previously) and may be detrimental. Without everything in balance, plants cannot assimilate nutrients and when this occurs, algae has the advantage.

For the plants you mention, I do not view added CO2 as beneficial. The increase in light intensity to balance CO2 would not help the JF, JM which do best with less light, and as for the Wisteria, unless other nutrients are similarly increased the effect would probably be minimal. There is a fair bit of CO2 naturally occurring in an aquarium from the fish but more from the bacteria (the substrate bacteria as well as nitrifying bacteria). I advise maintaining a natural balance.

Some nutrients are bound to be missing, and a good liquid fertilizer would be more beneficial. Providing the light is adequate to balance.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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