HELP PLEASE
trying to enrich my rooms with co2.
have optimum growth delux gauges with timer..
have a tent 3 foot 11 x 3 foot 11 x 6 foot 7.
and a tent 3 foot 11 x 7 foot 11 x 6 foot 7..
would like to bring ppms up to 1800 in a sealed room,
any help appreciated..

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BUBBLICIOUS/SKUNK1http://www.rollitup.org/grow-journals/119386-nirvanas-bubblicious-skunk-1-a-post1790329.html#post1790329

anyone got mad math skills????

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BUBBLICIOUS/SKUNK1http://www.rollitup.org/grow-journals/119386-nirvanas-bubblicious-skunk-1-a-post1790329.html#post1790329

not enough information...

if you want to use a timer to do that you'll need to know exactly how fast the co2 is coming out of the tank, and exactly how much air is exhausted from each tent...

then, take that to the co2 calculator which is a sticky in indoor growing -> http://www.hydroponics.net/learn/co2_calculator.asp

ideally you would want to have a co2 controller that reads the ppm and is set to hold it according to your specs... (when, and how high) but i know those are pricey

they are pricey but one is on the list..see i dont ventilate any air its a sealed room .. or will be when i get the co2 issue settled.... wich you have done for me.. thanks the link is exactly what i was looking for

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BUBBLICIOUS/SKUNK1http://www.rollitup.org/grow-journals/119386-nirvanas-bubblicious-skunk-1-a-post1790329.html#post1790329