Best or easiest wat to make co2.
- Thread starter MR Nobody
- Start date
f1bud
Active Member
it is east to make ur own DIY job
you will need one air bubler of ebay less than 2 pound
one 2 ltr coke bottle
some yeast and sugar
you drill a hole in the coke bottle lid then insert the bubler u bought into the whole then seel the edges with some glue !
once dried u can now remove the lid from the bottle with the bubler attached and half fill with warm water
add one big table spoon of yeast and one avg cup size of sugar/ shake it up
put a little bit of water in ur bubler/ screw the lid back on
andnow u will see pure C02 buble its way through the bubler and out into ur grow area !
u will need to switch off ur out take if u av one andjust let the home made c02 do its thing, best when lights are off that way u dont av to wory about heat if u turn off the outtake of a night ! then back on when lights are on
change weekly
you would probly need to make a few of them as it dont give off to much but its more than nothink ! good look man !
you will need one air bubler of ebay less than 2 pound
one 2 ltr coke bottle
some yeast and sugar
you drill a hole in the coke bottle lid then insert the bubler u bought into the whole then seel the edges with some glue !
once dried u can now remove the lid from the bottle with the bubler attached and half fill with warm water
add one big table spoon of yeast and one avg cup size of sugar/ shake it up
put a little bit of water in ur bubler/ screw the lid back on
andnow u will see pure C02 buble its way through the bubler and out into ur grow area !
u will need to switch off ur out take if u av one andjust let the home made c02 do its thing, best when lights are off that way u dont av to wory about heat if u turn off the outtake of a night ! then back on when lights are on
change weekly
you would probly need to make a few of them as it dont give off to much but its more than nothink ! good look man !
watchhowIdoit
New Member
Breath........puts out about as much Co2 as the homemade bottle generators......
watchhowIdoit
New Member
And in the tightest sealed rooms barely enough(if enough at all)to get a measurable increase....
HydroDawg421
Well-Known Member
CO2 can have such a HUGE impact on your grow, just bite the bullet and get one of these. The PPM's stay at 1500 & I spend $20 every 12-14 days on CO2 refills. It will pay for itself 10x on the 1ST GROW!!!
http://www.ebay.com/sch/i.html?_from=R40&_trksid=p5197.m570.l1313&_nkw=Digigro&_sacat=See-All-Categories
http://www.ebay.com/sch/i.html?_from=R40&_trksid=p5197.m570.l1313&_nkw=Digigro&_sacat=See-All-Categories
tip top toker
Well-Known Member
Breath in. Breath out. If mexicans are being hired to help trim, i reckon they'd take the job of co2 generator 
Gastanker
Well-Known Member
http://www.hydrofarm.com/articles/co2_enrichment.php Buncha great methods here.
I use this one (but I also brew beer)...
4. FERMENTATION METHOD OF CO2 ENRICHMENT:
Sugar is converted into ethyl alcohol and CO2 when it ferments due to the action of yeast. In this method, the following ingredients and equipment are needed:
1. Suitably sized container, plastic or glass
2. Sugar, common or invert
3. Yeast, brewers or bourgelais wine yeast
4. Yeast nutrient
5. Sealant, cellophane, tape or lid
6. 1/4 plastic tubing
7. 1/4 shutoff valve
8. Balloon
9. Starter jar or bottle
A pound of sugar will ferment into approximately half a pound of ethyl alcohol (C2H5OH) and half a pound of CO2. One pound of CO2 makes 8.7 cubic feet of CO2 gas at normal atmospheric conditions. In our standard 8 X 8' X 8' grow room, you will need to generate 512 cu. ft. X .0013 (1300 PPM CO2) = 0.66 cubic feet of CO2 every four hours. It takes time for the yeast to ferment sugar, so the size of container you should use in determined by dividing the cubic feet of growing area (512 Cu. ft.) by 32 = 16 gallons.
A convenient container to use here would be a plastic kitchen garbage can. These are inexpensive and easily obtainable.
To determine how much sugar we need for six weeks of operation or until fermentation ceases, the following calculations are necessary: From the above paragraph, we need 0.66 cu. ft. of CO2 every four hours. If one pound of CO2 makes 8.7 cu. ft. of CO2, we will need 0.08 lbs. of sugar, but because every one pound of sugar only makes 1/2 lb. of CO2, we must double the amount of sugar needed, i.e. 0.08 X 2 = 0.16 lbs. of sugar every four hours. Since there are six four-hour periods in a 24 hour day, the amount of sugar we need is 0.16 x 6 or 0.96 lbs. of sugar per day.
If we round this off to one pound of sugar per day, we will need 42 lbs. of sugar in six weeks. We must consider that only 80 to 90% of the sugar will be completely converted in this length of time, therefore, we should actually use about 48 lbs. of sugar in six weeks.
The sugar solution to start with is 2 1/2 to 3 lbs. per gallon. You can use hot water to start with, as sugar dissolves faster in it than in cold water. You must let it cool to 80-90 degrees F before adding yeast to it or the yeast will be killed. Start with the fermenting container only half-full as you will be adding an extra gallon per week for 6 weeks. Begin with eight gallons per week and 24 lbs. of sugar.
To start the solution fermenting, you will want to make a "starter batch" of sugar water, yeast and yeast nutrient. To do this, use a coke or beer bottle (approx. one pint), dissolve 1/4 lb. of sugar in 10 oz. of warm water (approx. 3/4 full), add a pinch of yeast and two pinches of yeast nutrient to this sugar mixture. Place a balloon on the bottle and set in warm location, 80 to 90 degrees F, for one to two days or until the balloon expands and small bubbles are visible in the solution.
After the starter solution has begun fermenting vigorously, it is added to the main fermentation tank at the same temperature already mentioned. After a day or so, to see that the system is working properly and that CO2 is being generated, close the valve to the supply tube and, if the unit is sealed properly, the balloon should expand in a short period of time. To regulate the amount of CO2 being delivered to the plants, open the valve until the balloon is only half the size of full expansion.
The CO2 supply tube with in-line valve should have a 2" loop in it half full of water to serve as an air-lock. This loop can be held in place with tape on the side of the fermentation tank. The open end of this tube can either be positioned in front of a circulating fan or run through "T" fittings to make additional tubes, the ends of which can be positioned above your plants. Remember, CO2 is heavier than air and it will flow downwards.
Once per week, undo a corner of the Saran Wrap and add an extra gallon of sugar solution and yeast nutrient, then reseal the top with tape. Use three lbs. of sugar and one teaspoon of nutrient per gallon.
After the last gallon is added, after six weeks of operation, let fermentation continue until the balloon goes down and no more bubbles are visible in the "U" tube. When this point has been reached, taste the solution. If is it sweet, fermentation is not complete and a new starter batch should be made and added to the tank. More yeast nutrient should also be used. If the solution is dry (not sweet) like wine, fermentation has stopped and the alcohol content has killed the yeast. At this point, it's time to clean your tank and start a new batch.
The fermentation process is quite good for generating CO2 and relatively inexpensive. Regular or invert (corn) sugar is inexpensive and available. You may have to purchase invert sugar at a wine supply store. This method of generating CO2 will cost approximately 50 to 60 cents per day.
To save money on extra yeast, you can either take out approximately a gallon of fermenting liquid and save for the next batch, or start a second system identical to the first and alternate themóclean and replenish one, then three weeks later, clean and replenish the second.
I use this one (but I also brew beer)...
4. FERMENTATION METHOD OF CO2 ENRICHMENT:
Sugar is converted into ethyl alcohol and CO2 when it ferments due to the action of yeast. In this method, the following ingredients and equipment are needed:
1. Suitably sized container, plastic or glass
2. Sugar, common or invert
3. Yeast, brewers or bourgelais wine yeast
4. Yeast nutrient
5. Sealant, cellophane, tape or lid
6. 1/4 plastic tubing
7. 1/4 shutoff valve
8. Balloon
9. Starter jar or bottle
A pound of sugar will ferment into approximately half a pound of ethyl alcohol (C2H5OH) and half a pound of CO2. One pound of CO2 makes 8.7 cubic feet of CO2 gas at normal atmospheric conditions. In our standard 8 X 8' X 8' grow room, you will need to generate 512 cu. ft. X .0013 (1300 PPM CO2) = 0.66 cubic feet of CO2 every four hours. It takes time for the yeast to ferment sugar, so the size of container you should use in determined by dividing the cubic feet of growing area (512 Cu. ft.) by 32 = 16 gallons.
A convenient container to use here would be a plastic kitchen garbage can. These are inexpensive and easily obtainable.
To determine how much sugar we need for six weeks of operation or until fermentation ceases, the following calculations are necessary: From the above paragraph, we need 0.66 cu. ft. of CO2 every four hours. If one pound of CO2 makes 8.7 cu. ft. of CO2, we will need 0.08 lbs. of sugar, but because every one pound of sugar only makes 1/2 lb. of CO2, we must double the amount of sugar needed, i.e. 0.08 X 2 = 0.16 lbs. of sugar every four hours. Since there are six four-hour periods in a 24 hour day, the amount of sugar we need is 0.16 x 6 or 0.96 lbs. of sugar per day.
If we round this off to one pound of sugar per day, we will need 42 lbs. of sugar in six weeks. We must consider that only 80 to 90% of the sugar will be completely converted in this length of time, therefore, we should actually use about 48 lbs. of sugar in six weeks.
The sugar solution to start with is 2 1/2 to 3 lbs. per gallon. You can use hot water to start with, as sugar dissolves faster in it than in cold water. You must let it cool to 80-90 degrees F before adding yeast to it or the yeast will be killed. Start with the fermenting container only half-full as you will be adding an extra gallon per week for 6 weeks. Begin with eight gallons per week and 24 lbs. of sugar.
To start the solution fermenting, you will want to make a "starter batch" of sugar water, yeast and yeast nutrient. To do this, use a coke or beer bottle (approx. one pint), dissolve 1/4 lb. of sugar in 10 oz. of warm water (approx. 3/4 full), add a pinch of yeast and two pinches of yeast nutrient to this sugar mixture. Place a balloon on the bottle and set in warm location, 80 to 90 degrees F, for one to two days or until the balloon expands and small bubbles are visible in the solution.
After the starter solution has begun fermenting vigorously, it is added to the main fermentation tank at the same temperature already mentioned. After a day or so, to see that the system is working properly and that CO2 is being generated, close the valve to the supply tube and, if the unit is sealed properly, the balloon should expand in a short period of time. To regulate the amount of CO2 being delivered to the plants, open the valve until the balloon is only half the size of full expansion.
The CO2 supply tube with in-line valve should have a 2" loop in it half full of water to serve as an air-lock. This loop can be held in place with tape on the side of the fermentation tank. The open end of this tube can either be positioned in front of a circulating fan or run through "T" fittings to make additional tubes, the ends of which can be positioned above your plants. Remember, CO2 is heavier than air and it will flow downwards.
Once per week, undo a corner of the Saran Wrap and add an extra gallon of sugar solution and yeast nutrient, then reseal the top with tape. Use three lbs. of sugar and one teaspoon of nutrient per gallon.
After the last gallon is added, after six weeks of operation, let fermentation continue until the balloon goes down and no more bubbles are visible in the "U" tube. When this point has been reached, taste the solution. If is it sweet, fermentation is not complete and a new starter batch should be made and added to the tank. More yeast nutrient should also be used. If the solution is dry (not sweet) like wine, fermentation has stopped and the alcohol content has killed the yeast. At this point, it's time to clean your tank and start a new batch.
The fermentation process is quite good for generating CO2 and relatively inexpensive. Regular or invert (corn) sugar is inexpensive and available. You may have to purchase invert sugar at a wine supply store. This method of generating CO2 will cost approximately 50 to 60 cents per day.
To save money on extra yeast, you can either take out approximately a gallon of fermenting liquid and save for the next batch, or start a second system identical to the first and alternate themóclean and replenish one, then three weeks later, clean and replenish the second.
)
Doer
Well-Known Member
Hmmm....wouldn't take my edit. Just put the electric valve on a timer, is an easy solution,
time with your lights and time how long it takes to get your grow back up to 1500ppm
Here's a calculator. http://www.hydroponics.net/learn/co2_calculator.asp
BTW, I just priced 50 pounds of sugar. It will cost you $80 dollars every 6 weeks. Do the math and buy the equipment is my friendly advice. Cheers!
time with your lights and time how long it takes to get your grow back up to 1500ppm
Here's a calculator. http://www.hydroponics.net/learn/co2_calculator.asp
BTW, I just priced 50 pounds of sugar. It will cost you $80 dollars every 6 weeks. Do the math and buy the equipment is my friendly advice. Cheers!
you are joking aren't you? diy generators such as yeast/sugar produce a lot more co2/cubic foot then a human could produce in the same amout of time ...
Gastanker
Well-Known Member
You can find sugar for much cheaper than that, but that aside keep in mind that it costs money for CO2 refills. I quote Hyrodawg here "The PPM's stay at 1500 & I spend $20 every 12-14 days on CO2 refills."
Doer
Well-Known Member
Too true. We have a saying on another forum. "Yeah well, fun cost money." So, $80 for an unknown
quality regulator, plus the cost of a tank. These will be paid back out of sugar in a few months, whatever I can get the sugar for. Then $10 a week for CO2. Or $5(?) a week for sugar, a mixing mess
(for me) and no way to see how much co2 I'm adding. Is it still a wash? For me, maybe not.
For you maybe so. I'll admit, to each his own. And everyone has a different set of circumstances.
quality regulator, plus the cost of a tank. These will be paid back out of sugar in a few months, whatever I can get the sugar for. Then $10 a week for CO2. Or $5(?) a week for sugar, a mixing mess
(for me) and no way to see how much co2 I'm adding. Is it still a wash? For me, maybe not.
For you maybe so. I'll admit, to each his own. And everyone has a different set of circumstances.
Doer
Well-Known Member
Found this back in my journal. Haven't tried it.
http://www.ecogrow.com/index.cfm/pro...id/0/home.html
They claim 6 months for $25
http://www.ecogrow.com/index.cfm/pro...id/0/home.htmlThey claim 6 months for $25
Doer
Well-Known Member
New page:Found this back in my journal. Haven't tried it.
They claim 6 months for $25
http://www.ecogrow.com/exhale-co2-cultivator-p-425.html?zenid=rtdbdp4hkk5646lo6ndmtf27r0
HydroDawg421
Well-Known Member
That regulator is useless without the $249 PPM meter that opens the regulator to allow the CO2 to flow. Otherwise it's just guesswork on the part of the grower. The Digigro system keeps my PPM MAXED at 1500. No guesswork, no checking, monitoring, etc. About every 2 weeks I exchange the CO2 bottle (I have 2).from the same ebay site.
I've grown without CO2 & without a PPM meter. I will NEVER grow again WITHOUT A PPM. I have noticed a SIGNIFICANT difference. Spend the $299 on BOTH the regulator & PPM meter. You get you $299 back about 2 seconds after harvest.
HydroDawg421
Well-Known Member
I have $500 invested in my CO2 system. Regulator, PPM meter & 2 CO2 bottles ($100each). I will spend $150 in CO2 during my grow. That will be the best $650 I ever spend. I will recoup those costs the 1st time around. Every cycle after that pure profit.
I have enough work to do without adding mixing & cleaning up sugar and yeast to the list. This CO2 setup is plug and play and I have an alarm set on my phone for every 10days to check the CO2 level and exchange the bottle if necessary. KeepItSimpleStupid
I have enough work to do without adding mixing & cleaning up sugar and yeast to the list. This CO2 setup is plug and play and I have an alarm set on my phone for every 10days to check the CO2 level and exchange the bottle if necessary. KeepItSimpleStupid
watchhowIdoit
New Member
The debate and methods certainly vary. But in the end I find it safe to say, 'If you wanna go big, go big' and buy a bottle. The rest is a bunch of maybes and what ifs in my opinion...practicality should be considered...