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I may have figured it out. My timer was set to ON not AUTO so the lights were on 24 hr per day...I have the exhaust fan setup to turn on when the lights turn off, so the exhaust fan would come on but the lights stayed on so the Apollo didn't turn CO2 off, therefore sucking all my CO2 out of the...

While were on the topic of CO2...a new issue has risen. I am running a 50lb co2 tank with Titan Regulator and Apollo CO2 controller. I filled my tank monday. It had averaged around 650psi all the way through yesterday when I left the shop. This morning when I arrived, my tank was empty. It...

Spoke to a mech engineer buddy. He explained that in order to maintain cfm I would need to split my 12" ducting to 4 6" ducts. We decided against this however. What we ended up doing was taking my 12" fan and using a 12" intake, then splitting to two 6" ducts and cooling two lights per 6"...

This is where my research has fooled me...Ive spoken to people who exchange the air once per day with co2 and I've seen people with a constant exchange with co2. What does the rollitup community suggest?

Moved the ballasts outside the container on Friday. After the weekend my high temp as 83* F. If I get the lights ducted properly will I get down the 5-10* F that I need?

I looked into the split A/C systems, but they were all a bit more than I wanted to spend. I did a total heat input calculation and came up with 36,431 BTU/hr with the ballasts in the room. If I remove the ballasts it should drop to around 22,000 BTU/hr. Today I installed a 24,000 BTU/hr wall...

Hi all, I am having a very hard time finding a 12x6x6 ducting splitter, 12" which splits to 2 6" ducts. I have tried my local HVAC Wholesale suppliers and looked at some hydro shops around town. Where can I find a few of these? Do they exist? I was thinking another option would be to...

I am going to return the rooftop air conditioners and purchase a 24,500 BTU wall mount unit from Home Depot. Not only should it cool better but is much cheaper and I should get a decent amount of money back. I had an idea on the light cooling fans; If i change the setup so it draws in trough...

The container is in our building so it doesn't get TOO hot during the day, during the dead heat of the summer it averages 85* F inside the building. The cool tubes are hot to the touch, I can hold my hand on them for 30 seconds or so before they start to burn.

Hello all, I am having some heat issues in my grow room that I have not been able to resolve on my own. Room Details: 8x8x20' (shipping container) 8-Ultra Grow 6" Cool Tubes (four in a string on each side) 2- 12" 1060 CFM Fans, reduced to 6" cooling lights 2- 15,000 BTU RV Style Rooftop...