co2 bottle vs propane burner

i understand the difrence but what would be better for a 12/12ft sealed room, soil grow, 4/1000watt aircooled close circut, window ac room. if i get the burner will i need a dehumidufier if i use the tank wat will the negatives be besides refilling it all the time???

refilling it all the time

did i mention refilling it all the time

refilling it all the time..
if you can afford something like a fuzzy logic controller, get it.
being able to accurately control the co2 saves headaches and having to refill as much.

G33kDro said:

did i mention refilling it all the time

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Just for reference, how much does it cost to refill a 10lb tank? How long would it last in a 12x12 room? Rough guess?

2-3days... i dont have a co2 monitor yet but will soon. and i agree with dub any co2 controller will help a ton

using any co2,you should have a monitor(sentinal) to control your co2.trying to use a timer on a bottle is a waste.as long as your cooling is done by a split system,you wont waste any co2.if your using a portable or window a/c system,using co2 is a waste.a 20 gallon bottle should last you a month.i would use a co2 generater if you can control temps.you dont have to worry about spikes in temps with bottled co2.