WTF not DRY ICE for Co2?

just wondering if there is something i am missing here. why the hell doesnt anyone use dry ice to produce Co2 in small growing environments? i know it goes away pretty fast but seems like you could make it last a while... ok so my understanding is that all dry ice is, is Co2 in a solid state. if you drop a piece of dry ice into warm water it creates a misty fog. a fog made entirely up of Co2 in gas form.


in a small enough environment such as a grow cab, a smallish grow box, PC case, ect. it seems like you could take a small piece of dry ice and drop into a insulated container with a little water to significantly raise Co2 level. so, we know that the warmer the liquid that the dry ice is dropped into, the faster it dissipates into the atmosphere. if the water is colder this process takes more time. SO i think that if you drilled a few small holes into the top of a thermos (like for coffee), added a little water and a piece of dry ice the, the thermos would help keep it really cold, preventing it from dissipating to fast and just disappearing over night.

i really havent researched the science behind this yet but i think im onto something. dry ice is cheap. you could keep a couple pounds your freezer and just drop a 2"X2" piece into your thermos once a week or so. i dunno, maybe there is a very clear and obvious reason people do not do this. im pretty sure the shit lasts a while. ive played with it before and it seems to hang around for some time. couldnt hurt right? i dont have any way of measuring Co2 levels soo... i guess the proof will have to be in the pudding. im deff gonna read up on this more.

i also know that if this idea works and is feasible and makes sense fiscally, the process would surely help to reduce the temperature of the grow space. i know first hand that heat can be a problem in small environments.

you would have to shut all fans of and stop/reduce air circulation as well. i think air circulation becomes almost pointless in a Co2 rich setting as long as temps are kept under control. this could mean quieter PC grows... no fans, no noise. this might be a perfect example of getting two birds stoned at once....


please give me any input you may have!

"hey billy? it looks like your computer is smoking..." "WHATEVER MOM GET OUT OF MY ROOM!"

for one no controll

RichED said:

for one no controll

Click to expand...

how controlled is the yeast and sugar technique? not very. also temp and size of the dry ice chunk are really the only variables. keep temps stable and use a scale to weigh the dry ice before you put it in the thermos. i dont think you will risk the plant getting TOO MUCH Co2. and too little is still better than none. i believe that co2 production will be reduced gradually as the chunk becomes smaller. if you had two thermoses on different cycles, production would be a constant. you would have to replace the chunk say... once a week in each thermos but in alternating intervals. just as one chunk is almost gone the other is only half gone. replace the on that is almost gone, yada yada... haha just like a perpetual grow.

i dunno man, i could be WAY off on this but... i dont see how. im talking for small scale applications. i just dont see why i cant find ANYTHING about this. i know i cant be the first to think of it... stoners think alot... hard... ow my head....

seems like it would work, but too expensive. i can go down the road and fill up a Co2 tank at a paintball course for $6 and it lasts 2 weeks. just build your own system and use a timer.

how big is your tank?

MitsyMuffinsMedical said:

just wondering if there is something i am missing here. why the hell doesnt anyone use dry ice to produce Co2 in small growing environments? i know it goes away pretty fast but seems like you could make it last a while... ok so my understanding is that all dry ice is, is Co2 in a solid state. if you drop a piece of dry ice into warm water it creates a misty fog. a fog made entirely up of Co2 in gas form.


in a small enough environment such as a grow cab, a smallish grow box, PC case, ect. it seems like you could take a small piece of dry ice and drop into a insulated container with a little water to significantly raise Co2 level. so, we know that the warmer the liquid that the dry ice is dropped into, the faster it dissipates into the atmosphere. if the water is colder this process takes more time. SO i think that if you drilled a few small holes into the top of a thermos (like for coffee), added a little water and a piece of dry ice the, the thermos would help keep it really cold, preventing it from dissipating to fast and just disappearing over night.

i really havent researched the science behind this yet but i think im onto something. dry ice is cheap. you could keep a couple pounds your freezer and just drop a 2"X2" piece into your thermos once a week or so. i dunno, maybe there is a very clear and obvious reason people do not do this. im pretty sure the shit lasts a while. ive played with it before and it seems to hang around for some time. couldnt hurt right? i dont have any way of measuring Co2 levels soo... i guess the proof will have to be in the pudding. im deff gonna read up on this more.

i also know that if this idea works and is feasible and makes sense fiscally, the process would surely help to reduce the temperature of the grow space. i know first hand that heat can be a problem in small environments.

you would have to shut all fans of and stop/reduce air circulation as well. i think air circulation becomes almost pointless in a Co2 rich setting as long as temps are kept under control. this could mean quieter PC grows... no fans, no noise. this might be a perfect example of getting two birds stoned at once....


please give me any input you may have!

"hey billy? it looks like your computer is smoking..." "WHATEVER MOM GET OUT OF MY ROOM!"

Click to expand...

If you don't get the gases out of the thermos fast enough , gases will build up and explode like a bomb.

some people have used dry ice

I've read lots about using dry ice as a CO2 enricher in grow cabs. If you theorize it would work, then just do it, and share your results. You don't need a bunch of people to tell you it's gonna work before you try it.

It is expensive and not easily available.