DIY: Home Made CO2 Guide

Roland

Roland

Active Member
I use gallon jugs and just drill a hole in the plastic cap that comes with the jug .. ( gallon water jug) .. I give 'em a shake when I go in my room .. and by holding my thumb over the hole in the cap I can tell if they are still makin' CO2 .. they give a good shot of CO2

.yeah ..I found about ten days was about it for CO2 production .. prob'ly maxed out at seven days or so .. so I just dump the old mix and put in more sugar and water and yeast ..1/2 a teaspoon works... haha the yeast like warm water

I need to find out how to get the alcohol out .. it's pure ethyl alcohol ... if u can distill it out
 
A

alan666

Member
Roland said:
I use gallon jugs and just drill a hole in the plastic cap that comes with the jug .. ( gallon water jug) .. I give 'em a shake when I go in my room .. and by holding my thumb over the hole in the cap I can tell if they are still makin' CO2 .. they give a good shot of CO2

.yeah ..I found about ten days was about it for CO2 production .. prob'ly maxed out at seven days or so .. so I just dump the old mix and put in more sugar and water and yeast ..1/2 a teaspoon works... haha the yeast like warm water

I need to find out how to get the alcohol out .. it's pure ethyl alcohol ... if u can distill it out
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Freeze it, the good stuff wont freeze.
 
ravenmyst

ravenmyst

Active Member
c02 generated by propane furnace exhaust. of course, the byproduct is carbon monoxide, so one must be careful to not let it creep into your living spaces. if furnace is vented occasionally into grow room would this be beneficial? short of buying a c02 monitor($180) to get it right there is no way to know how much is delivered. does the other gasses other than c02 cause plant damage? over 5000ppm is lethal on c02 so I don't wanna overdo it and kill my children. Ideas anyone? Anyone?
 
shylas

shylas

Active Member
ravenmyst said:
c02 generated by propane furnace exhaust. of course, the byproduct is carbon monoxide, so one must be careful to not let it creep into your living spaces. if furnace is vented occasionally into grow room would this be beneficial? short of buying a c02 monitor($180) to get it right there is no way to know how much is delivered. does the other gasses other than c02 cause plant damage? over 5000ppm is lethal on c02 so I don't wanna overdo it and kill my children. Ideas anyone? Anyone?
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Dude stick with the sugar & yeast. lol

You really don't want to over do it a kill your children. lol (that particular phrase struck me funny), and you can get monitors alot cheaper than that.
google it.
 
ravenmyst

ravenmyst

Active Member
ya....we don't wanna kill off our kids for sure. LOL. anyone have a line on a decently priced c02 sensor? so far, cheapest display type i found is still $130
 
masterd

masterd

Well-Known Member
I need to find out how to get the alcohol out .. it's pure ethyl alcohol ... if u can distill it out
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yes you need to distill it and then filter it to get nice clean alcohol

you could just freeze it, and you could get really sick from drinking it.... or more to the point will get sick from drinking it


BTW another nice thread NINJA!
 
morgentaler

morgentaler

Well-Known Member
A surplus of CO2 probably won't hurt the plants directly, but since we do rely on the assistance of aerobic bacteria it's a good idea not to smother them, so don't go crazy with the CO2.

And to the fellow asking about venting his furnace. Don't even consider it for another second. You'll eventually kill someone. CO poisoning creeps up on you.
 
B

besrasta

Member
I am not so hopeful. We'd have heard about it long before now.Plus, I would probably have had to pay for a computer upgrade.
 
morgentaler

morgentaler

Well-Known Member
with a small plumbing connector you could run a thin aquarium hose right from the bottle into the canopy of a plant and get the best of out your CO2 dispersion too :)

If you want to generate CO2 really quickly for some reason, vinegar and baking soda do the trick. But the reaction doesn't last long and it's very fizzy.
 
XxNinjaxX

XxNinjaxX

Well-Known Member
I did a setup of vinegar and baking soda, I put d vinegar on a drip system so it cud drip down on2 a tray of baking soda. This way it was a continous gradual release of Co2.

I also have another smaller bottle of Co2 mixture of sugar & yeast that has a hose out the top that wraps on2 my fan an blows Co2 directly on2 the plants..
 
G

Grover2012

Member
Back to the question about too much CO2, at 1800 ppm of CO2 it becomes toxic for plants. But that is 6x normal air, so it seems a bit hard to exceed. Also, the benefits of CO2 enrichment is a deminishing returns curve, that is to say that the increase of ppm from 300 to 400 has more effect then the increase from 1200 to 1300. So even a little increase should go a long way. (total newb here just repeating what I've read.)
 
XxNinjaxX

XxNinjaxX

Well-Known Member
The yeast i used is available from the supermarket. There was baker's yeast and brewer's yeast. Either will do.
 
Brosnan

Brosnan

Active Member
XxNinjaxX said:
The yeast i used is available from the supermarket. There was baker's yeast and brewer's yeast. Either will do.
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This is the yeast thats only available in the grocery store. will this do?

also how long does it take for c02 to start exiting the bottle. all i see are lil tiny condensation bubbles in the air lock.

is my mixture supposed to look like this?

anything u didnt mention like how to mix....how long to shake?...etc

thanks
 

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thewinghunter

thewinghunter

Active Member
yeh when i brew beer, it has a valve that releases co2 i dont think its enuff for my 30 plant room, so i got a 25 pd tank of co2. few bucks
 
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