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dedicated circuit going to cool it more? please explain this to me. Ballast with cooling fans introduce dirt into the ballast, and if those fans fail the ballast will likely fail. Install your Solis tek on a wall in an upright position. The heat will dissipate better off of the cooling fins...

http://www.medicinalgenomics.com/wp-content/uploads/2011/12/Photosynthesis-and-Cannabinoid-Content.pdf

Great find. Exactly the kind of info I was looking for. - Jiji

Wait I answered that wrong. Two 8 inch holes will work. - Jiji

I should have said twice the area of your exhaust to be more accurate. So two 8inch holes, no. - Jiji

Hmm, I doubt that was the reason for your hermies. How much cooler is the outside air? I've had plants sit right in front of an AC not herm. Ofcourse there were some side effects though. A general rule of thumb is twice the diameter of your exhaust size for passive intake. In my experience...

get the pulse start metal halide for electronic ballast - Jiji

trays........yeah........ Ok well the current reflectors don't throw a 4x4 light pattern or anywhere close. They are designed to overlap. And 8.5 and tables and gavita 1000s is not enough ceiling height. - Jiji edit - If your still going to use them in 600 mode or whatever, make sure that...

8.5 ceilings will work with Gavitas. Not saying its ideal though. If you give me room dimensions, I can give you the recommended amount of lights (1000s or 600s), and recommended btus for cooling. 10 Gavita 1000 de's is no joke. Ive never seen any good data on spectrum shift on dimming bulbs...

I like the idea of the master controllers, but I never got into them. For starters, they are limited on juice, yes you can setup separate contactor boxes but everything still has to be wired to it (has to be in general vicinity, or use extension cords) I just automate with individual controls...

its pretty simple, but if you don't know, its just best to have an electrician do it. It shouldn't be that much. - Jiji

Hydrofarm hoods use a 3 round prong plug, and their ballasts accept it. Some others do, but most don't. If you have another ballast you will need a baasp adapter - Jiji

Yeah, but they make 100 different types with different thickness’s, heights, and materials etc. http://www.homedepot.com/p/Frost-Ki...EPDM-Rubber-Weatherstrip-Tape-V25GA/100081207 Something like that might seal better. Not sure. Good thing is its cheap to experiment. Actually, you want the...

I think 1800? Its a frederiech breeze. DIY, I wouldn't reccomend it. room size about 13x20? Its veg and flower combined. actually I must be slipping, its a 2050 cfm fan. Vortex vtx 12 - Jiji

I've used a thin type of foam weatherstripping. You should be able to get that at any hardware store. It worked ok if I recall correctly. - Jiji

Might as well just build a shed. - Jiji

Huh? Not sure if your serious or not. But yeah thats what I said. Proposed for dispensary’s, or provisioning center or whatever Michigan decides to change the name of or misspell something related to Cannabis. - Jiji