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Thanks ghb for the info. Only things I've noticed with C02 is since they are utilizing such high & constant amounts is the need for higher nutrients. All plants directly under the lights were slightly yellowing until we increased their nutrients. Fixed all problems regarding this. They have...

Won't have pictures up till later tonight. But this is certainly related to the dehumidifier. Plants loved the environment, had been growing amazing in this environment. At one week marker in dixie cups we ran our dehumidifier since RH was in the high 80's. It wasn't till the next morning...

Thank you for the help and suggestions. After reading tons and talking with many people concerning this issue fresh air is not needed for a room when you supplement adequate C02, have good air circulation and control the environment completely. I do believe this is optimal for indoors. Plants...

Nope. Designed the room to be closed so no ins or outs. Control temp with AC/heater; dehumidifier for excess moisture and C02 for them to breathe all running off a CHHC4. Worked out perfect until dehumidifiers were brought in. We have excellent air circulation inside as well. Determined to...

Yep certainly know this but in a closed room our humidity can get to 98% RH and we had powedery mildew from such moisture. So not running one is not an option

When constructing a medical grow we decided to go with a closed room setup. Read up a lot, asked a lot of questions but in the end designed an excellent room. Unfortunately due to time restraints we were not able to dial equipment in before moving in our genetics. So one week goes by and...

Thank you for the educated answer. Will try to track down the article. Any idea why the C02 rises so much at night though? Have the regulator plugged into CHHC4 set on 1300 and never goes over that during the day. At night it soars about 300 ppm every hour maxing at 2600.

could really use some help on this. Thanks

So even with the C02 set at 1300 ppms, when the lights go out on our closed room many a nights the ppm slowly rises up to 2600. At first I was scared but went in the next morning and things appear to be just fine. Are there any toxicity issues or inadvertent stresses I should be worried about...

Thanks for the help and speaking from experience and not just a grow book. Much appreciated. Been reading up on 'root bound' more and more the past day and it seems that it is not quite as serious as I initially thought. Have seen a few photos in journals with great results that are showing huge...

Weighing out the pros and cons in the transplant of root bound plants 1 week into flower. Only issue is they have already undergone a great deal of stress with environmental upsets. We intended SOG but we were forced to dial in our closed room with all our plants causing serious stress and...

Weighing out the pros and cons in the transplant of root bound plants 1 week into flower. Only issue is they have already undergone a great deal of stress with environmental upsets. We intended SOG but we were forced to dial in our closed room with all our plants causing serious stress and then...

Sitting back trying to decide the appropriate actions for my 6 week old ladies from clone and your post has helped me reach a conclusion. Thanks for being thorough and explaining the fim technique better then any book. Cheers

great to see others here are talking about this issue. Any bill that adds 300 pages hours before a vote is obviously not for our best interest. Patriot Act was done in a similiar way. Something else that should be mentioned is this bill creates Climate Police who will monitor buisnesses and...

I've never been one to top a plant, but I recieved some free Thai Skunk seeds from Attitude and threw two in soil and they took off. None the less they outgrew the other 4 strains and I'm tired of raising my light every three days. So I will try topping these for a trial run and see how I like...

I really think we are doomed to repeat the mistakes of our past. Majority are not waking up. Vaccines are quite a scary thing They have already discovered this 'flu' was created in a lab. It has the characteristics of human, bird and swine flu. Medical journals on this are speculating that it...

appreciate it torontoone. Probablly would have left the dome on continuosly if it weren't for you. I've researched and read lots but nothing is quite like doing it for yourself. Seem to have a few more questions than I originally thought I would have. Do you know how often the little ones...

hey thanks for the quick and very helpful response. Definitely took the worry I had away. Really appreciate it. Two more questions though: Do you know approximately when I should take the humidity dome off? Lastly two of them are quite droopy, bent like and S. Any signs of over watering or...

hey everyone having a few problems with my first grow from seed right from the get go. Dropped 2 The Church from GH Seeds, 2 Red Diesel from Barneys and 3 G13 Thai Skunk 2 1/2 days ago (6:00pm April 15th). Tried out the root plug method for germinating after a recomendation from a local hydro...

I really didn't think the guy was hard to understand. He was traveling from San Diego to Pheonix and went through a checkpoint, was not crossing the border. He was not suspected of a DUI, it was a random checkpoint in which they said a dog signaled there were either drugs or a person in the...