This is really nice, Thanks.

I just bought that c02 setup off that link but also a good calculator.

Shanks

I picked up The Control Wizard for under $160.00
It turns your Co2 on only when the fan is off.
It turns on the fans on by temp or humid settings by you.
You can add a timer to turn Co2 off when lights are off.
Great unit

Attached Images

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my grow cabinet has a problem with heat, somtimes gets 107. think if i put some dry ice along the sides it will both lower the temp and increase the co2 level?

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How much do you pay for dry ice though? It seems like a great idea in theory, It would just depend how much money the dry ice would cost.

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wow i love that calculator it is soo fucking awesome

Thank you. very helpfull, I think I`m runnung it a little high. sure does kick ass though.

I was given a miwaukee ma957 rugulator with bubble counter - anyone know how to use this calculator with one of these? Or is it junk for growing.

alright, well i just got myself a cap air 4, controls co2, temps, humid
there are dials on it so that i can set the on and off intervals, with the calculator, i can more or less fill it up to the desired level.
but approxitemly how often does it need to be fired up?
im sure it depends on many things, but is there a rule of thumb or can anyone suggest a cycle time

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i found a "youtube video" of a kid that made a co2 out of 2 LITRE BOTTLE, yeast, sugar water.
my thoughts are/were, any added co2 would help, i am about day 30 of flower cycle, and just built my 2nd bottle
(read/watched) they only last 2weeks.
any "real" growers, have any thoughts on this.
my whole cash out lay, couldnt have been more then 2 american dollars,
is there any argument,, that "something" is better then nothing"?
any feedback would be great,
thanks