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how long does 20lb co2 tank last

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Dry Ice for co2? - 420 Magazine
... CO2. Just for comparison, if you had a 20lb CO2 tank set to 1CFH, this would take 8 minutes to fill the room to 1500 total PPMs. A 20LB tank at 1CFH would last ...
http://www.420magazine.com/forums/cabinet-closet-grow-room-setup/54776-dry-ice-co2.html
anyone want a cheep way to add co2 to your plants? - THCfarmer
... 20lbs tank that costs under $20 to refill. first time i hear about this, do u use a special brand of sparkling water? how ... CO2 gen. i used 2liter bottles and mix water, yeast and sugar togather. they last ... long ...
http://www.thcfarmer.com/forums/f6/anyone-want-cheep-way-add-co2-your-plants-18216/
CO2 use rate? - THCfarmer
CO2 use rate? - THCfarmer I'm setting up a new room 8x12x10 or so in size. I've got the controller and valve but I've yet to buy a bottle. I was wondering how long a 20 lb bottle would last ...
http://www.thcfarmer.com/forums/f6/co2-use-rate-33425/
CO2 info>>>
... long run. These systems are good only if your area is not too big or too small. The basic CO2 tank system looks like this: 20 lb tank $99 Regulator $149 Timer or controller $10-125 Fill up $15-20 Worst case = $395 for CO2 tank ... tank could last 2 months, but it depends on how much is released, how ...
http://forum.grasscity.com/advanced-growing-techniques/271179-co2-info-2.html
First Grow Using Co2! Does Co2 Shorten Flowering Time?
... co2 tanks and it does not make flowering time short. Co2 ... co2 monitor/controller(keeps ppms between 1200-1500 automatically), a regulator and 20lb co2 cylinder. I have it hooked up to a greenair atmospheric controller that has a photo eye to turn co2 ...
http://www.rollitup.org/advanced-marijuana-cultivation/433069-first-grow-using-co2-does-2.html
Adding co2
... 20lb tank for 90 and a .2-1.0cfh regulator for 130 or 140 n mine lasted for almost a year. Max level of co2 is 1800ppm. Air has about 300-400 (more in the city). I just refilled my tank ... how long it worked. I guess I just like the reliability of a timer synced w/exhaust fan to keep co2 ...
http://www.rollitup.org/advanced-marijuana-cultivation/149678-adding-co2-2.html
First Grow Using Co2! Does Co2 Shorten Flowering Time?
... co2 tanks and it does not make flowering time short. Co2 ... co2 monitor/controller(keeps ppms between 1200-1500 automatically), a regulator and 20lb co2 cylinder. I have it hooked up to a greenair atmospheric controller that has a photo eye to turn co2 ...
http://www.rollitup.org/advanced-marijuana-cultivation/433069-first-grow-using-co2-does-2.html
Co2 in an 8x12' area?
... 20lb tank last? Optimum Flow Rate: 0.13 cubic feet / hr Originally Posted by tatamama So that is 1.56 cubic ft /hr. How long again then would a 20lb tank last? 1lb = 8.741 standard cubic feet CO2 ...
http://www.rollitup.org/newbie-central/382577-co2-8x12-area-3.html
Co2 in an 8x12' area?
... without a moniter but not sure that is good or bad? Does that mean your 20lb tank will last 3 weeks at your rate of use? Have thought about ... how long a tank will last to do the job well.. Say like the 20lb tank. Also with a 65 day flowering strain I had a forest last grow. I am hoping with more co2 ...
http://www.rollitup.org/newbie-central/382577-co2-8x12-area.html
Easy way to get CO2 for a grow
... co2 out and if on a timer can last ... long run an actual tank is the best deal. Originally Posted by blinkykush ok guys so i am not on a budget and want to get a good source of co2 ... 20lb ...
http://www.rollitup.org/newbie-central/73419-easy-way-get-co2-grow.html

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