påminner jag som motvikt om denna webbplats http://snurl.com/idiotsguide
(detta är en kopia,enstaka foton kan saknas)
(detta är en kopia,enstaka foton kan saknas)
Från: http://www.frii.com/~gbooth/AquaticConcepts/
If fish create CO2, why do I need to add any extra?
CO2 has a natural equilibrium in water of about 0.5 mg/l. In an aquarium with a moderate fish load, the fish may raise the concentration to 2 to 3 mg/l. This is far below what plants need to really grow well. <b>You would not get beneficial levels of CO2 for the plants unless you had the fish packed in gill to gill. </b>
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