Fermentation CO2, calculating amounts of yeast/sugar?

Perma Baked

Active Member
So I've been reading about CO2 and how beneficial it is to increasing yield/bud quality. I don't have the money to buy a tank and a regulator right now, so I've been looking at other options like dry ice and fermentation. I'm leaning more towards the fermentation CO2 because it [seemingly] requires less work (constantly having to put more dry ice in the room vs letting the yeast ferment), but I'm having some difficulty determining how much I'll have to add to up my room's PPM to 1500-2000.
According to the hydrofarm website: http://www.hydrofarm.com/articles/co2_enrichment.php
There is naturally only about 300 PPM in the atmosphere. It also gives examples figures for an 8x8x8 room, but that's substantially more than my tent (roughly 2.5x4x7.5). That's 512 cubic feet vs. my ~80 cubic foot room.
If anyone has any input on how I'd need to adjust the hydrofarm calculations, please feel free to chime in. :-o
 
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