Tropical Fish Keeping - Aquarium fish care and resources

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-   -   question bout my co2 system (

br0kenmentat 12-11-2010 09:15 PM

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?

catdawg426 12-11-2010 11:49 PM

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.

thefishboy 12-12-2010 04:26 AM

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...

Byron 12-12-2010 02:37 PM

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.


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