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I have decided to go for 5x20 rectangular rooms rather than two 10x10 primarily to create an aisle down the side of each room. Thank you GOLDBERG71. Regarding vapor barrier, I had anticipated a concrete epoxy for the floors, panda film for the ceiling, and mylar for the walls. I already have...

Expanding into a basement. Concrete floors and walls. Area is 10'6" x 28'4" What breakdown in room sizes would you recommend? I was hoping to do an 8'x10' mother / clone room and ether (2) 10'x10' flowering rooms with (4) 1000's each or if it's not too much wattage: (2) 5'x20' rooms with (5)...

Thank you, droopy107! Looks like I will have to replace either the breaker or the wire, so I may as well open the panel and do everything the best way possible. I had originally planned on running the lights on 240 and everything else on 120, but if I'm running wires, should I consider fans...

First, thank you everyone for the amazing support out there! I will make my question brief: I have purchased a home and am expanding. I would like to add an 8-light controller. I will be using the existing 80A 240V that was for the electric range (new range is gas). However, the wiring used for...

The topic that everyone is discussing here is aquaponics.

I had been Aza-Max'ing, but stopped before flowering. I don't want to spray chemicals on my smoke. Right after this picture was taken, I started hitting it w/ a finely-misting but powerfully agitating garden sprayer. I think that pissed 'em off, b/c I've stopped seeing them on the leaves...

** Bump **

I have read that UVB supplement lighting can drastically increase THC content. I personally don't use UVBs, although I am willing to spend the money on on to test that theory. I would not use that as your primary light. But, as a supplement to a 400 or 600W HPS, it would certainly make a great...

I am very concerned. My exhaust air has hit 97°F. Average canopy temperature is 85.2°F. Ambient temperature near reflectors and ducting is 88°F. Ambient house temperature is 77°F. I am considering shutting everything down and waiting until winter months. Can anyone give suggestions? Thank you.

And maybe not the FBI, but state LEO is another concern. There is some noise, but not as much as a window unit AC. An empty AC shell in the window should cover it up. I certainly don't want to re-run all that ducting!

Yes, that is my concern. I am not in a compassionate state. Correction to previous post: my exhaust air is 93°F.

Ambient house temperature (we don't run our central HVAC): 78°F Ambient growroom temperature: 82.0°F Ambient temperature inside tent: 82.9°F Canopy temperature: 83.6°F Maximum temperature near reflectors, in corners, and poorly ventilated deadspaces: 86.0°F Temperature of expelled air inside...

I have just discovered that the attic space above this room does not connect well with the attic space of the rest of the house. Apparently this room was a porch or add-on, and the volume of attic space above this room is small, and goes nowhere. My fear is that if I duct into this space through...

I am currently running one 216W SunBlaze 44 (4x 4' T5 Fluorescent) and one 400W MH in a 6" Cool Breeze inside of tents. The other half of my 9' x 14' is one 600W electronic HPS in a Sun Systems XXXL reflector. I have built 39" x 57" x 10" boxes over both windows in the room--one for intake, one...

Anyone know of any seed shops in the San Francisco Bay area?

FEIO, I had a seizure when I tried to discern your post. The overall yield per Watt is higher with LEDs, but they cost more per Watt to buy. I agree with Flower Pimp, they're great low-heat supplements for HPS / MH. And you don't have to re-duct your reflectors to add a few. Has anyone done...

31 days ago I started 25 seedlings (four Himalayan Gold, four G13 Power Skunk and seventeen bagseed). I am using General hydroponics 3-part with Diamond Nectar additive and Vermi-T once a week. On day 18 all plants were 8-12" tall. I dropped to 12/12 and used "transition to bloom" levels...

Eco 400W Switchable, 36x54 tent

Well, 4 are feminized Himilayan Gold, 4 are feminized Power Skunk, 17 are bagseed, and 17 are cuttings from a sexed and flowered sativa-dominant female from last harvest. I was hoping to use your expertise to help me sex early to remove some males for more space.