Truth
Member
THCV said:ballastman, i agree, just opening the door doesn't do much. Propping it open while working a lot will drop my room down to 1200 from 1500.
and how much do you think may leak out of the room if it isn't sealed correctly, over a 12-24 hours period? even if you are slowly releasing it, it has to be just enough to counteract the use by the plants and the amount escaping from the room. Also, it could be a serious health hazard to have leaks in your own home. If you have sufficient airflow in your room, it can easily be blown around. co2 will rise, if there is any way for it to escape from the ceiling, it will. I'm not saying opening a door for a little while will completely clear an entire room of all the co2 you added. although, co2 can be very expensive, and it is best to do all you can to conserve it. You shouldn't be working in a room with 1500ppm of co2 for more than a little while...
"Carbon dioxide content in fresh air varies and is between 0.03% (300 ppm) to 0.06% (600 ppm), depending on location and in exhaled air approximately 4.5%. When inhaled in high concentrations (greater than 5% by volume), it is immediately dangerous to the life and health of plants, humans and other animals. The current threshold limit value (TLV) or maximum level that is considered safe for healthy adults for an 8-hour work day is 0.5% (5000 ppm). The maximum safe level for infants, children, the elderly and individuals with cardio-pulmonary health issues would be significantly less. (these are just max safe levels, not minimum, meaning at over 5000ppm it can possibly kill you, but at even less than half that, still cause side effects.)
In indoor spaces occupied by humans the carbon dioxide concentration will also reach a level higher than in pure outdoor air. Concentrations higher than 1000 ppm will cause discomfort in more than 20% of occupants, and the discomfort will increase with increasing CO2 concentration. The discomfort will be caused by various gases coming from human respiration and perspiration, and not by CO2 itself. At 2000 ppm the majority of occupants feel a significant degree of discomfort, and many will develop nausea and headache."
ballastman said:If you open the door the PPms will drop dramatically".Have you ever seen this in practice?.I know exactly how fast the PPMs drop with a totally open door,and it aint that damn fast lol.I'm talking about sealed rooms like mine of course,I dont know where you got the idea I vented.If your PPMs fluctuate more than 300 you arent doing your plants any good thats what I know from experience.If you're jumping from 2000 to 1500 to 1000 back up to 1500,you're just spinnin your wheels.My idea of keeping a steady PPM level is correct truth.
"If your PPMs fluctuate more than 300 you arent doing your plants any good thats what I know from experience.If you're jumping from 2000 to 1500 to 1000 back up to 1500,you're just spinnin your wheels."
THCV just stated his fluctuated at exactly 300. is he just spinning his wheels? 2000ppm is far too high for cannabis, and I would think that even 1000ppm would benefit the plants greatly, that is basically 2/3 of the maximum amount of co2 required(and nearly double to over triple the amount naturally in air), seems like it would help to me, why would you think otherwise? any co2 above what is naturally available should help. your whole argument against me is because I said the word 'dramatic'.
Long long ago, the co2 concentrations in the atmosphere were much higher than they are now, so they took in much more co2. I am sure their tolerance may have been much higher, which they slowly lost over time. Marijuana has been around for a long time, probably longer than us.THCV said:Who knows why they evolved being able to process 1500ppm?
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