how londg will co2 last?

[DPoisen]

thanks for that ZANDOR....

another question.
can i put a mh bulb in my sodium ballast if its the same wattage?

DPoisen Reviewed by DPoisen on 08-21-2005. how londg will co2 last? how long will 2kgs of co2 last in a small 3 plants grow cupboard?anyone? :confused: Rating: 5