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Hey everyone, i would like to grow killing fields by sannies seeds. I have a 2'x2'x5.33' tent and would like to stack 2 400 w cooltube bulbs vertically in the center. Its a sativa strain and i plan on curving 3 plants up 3 walls for a theoretical square footage of 32 square feet. I am concerned...

Which bulb do i put on top? Im thinking hps on top and mh on bottom. Or should it be vice versa. Which part of the plant will benefit more from more direct mh light. The bottom i feel will develop stronger buds than normal bottom nugs because of the mh benefits.

Ok so i plan on getting a 4'x4'x6.5' tent and running a 600 w mh and 600w hps at the same time. Ive read alot about the mixed spectrum being great for flower. How should i arrange the lights. Side by side cootubes in the center or stacked on each other. Stacked wouldnt mix the spectrums as...

The calibration solution is buffered isnt it. Damnit.

Ok so my ph meter broke and i had to run out and buy a liquid ph testing kit. It only has colors for 5.0 6.0 and 6.5 ph. I have a 7.0 calibration solution. I need to know how much GH ph down, PH 1.2 phosphoric acid, to add to the 7.0 calibration solution to make a PH 6.0 solution. This way i...

hey everyone, im doing a 5 gallon dwc northern lights grow. Nutes are GH line with dutch master gold zone and calimagic. It seems that my ph keeps going down along with my ppm. I have to keep adding ph up to get it to 5.8. Anyone know whats going on? I have read some places that I should raise...

Sorry to bring up an old thread but im having this same problem. Its not root rot but ph going down. Another site said to lower nutes and that N and K are being used while leaving P behind making it more acidic. You say to add more PK which would make it worst according to the other site i...

Yea so from what im hearing its pretty good like this. The leaf curling, is it due to heat stress? what should I keep my canopy temps at?

Thats good to hear. Think i should go gor longer internodes or keep blasting it with light.

So i should just keep giving it as much light as possible? Could this be due to heat stress?

The foil is there to try and keep the water temp down. From everything ive read, low light causes stretching. Im just worried im hurting it by giving it to much light and its gonna suffocate in its own leaves.

So im using too much light then? I need to raise the lights?

Ok so doing 5 gallon dwc northern lights fem. She is about 2.5 weeks veg right now. Using full Gh line and DM gold zone. Including rapid start. That ball is there for scale, its a small piece of hydroton... There is sooo much side branching its like its gonna suffocate, and its on its 6th node...

And if i add another plantbit will overcrowd correct? Its indica.

Ok so a 5 week veg with a single northern lights fem 5 gallon dwc will fill my screen with bud?

Hey guys. Im new to dwc and need to know what will give me best yield. Will have a 2'x2'x5.5 ft tent. Will veg for 1 month and gonna be using scrog. How many plants should i do? And should i go with 5 gallon.or 3 gallon buckets. I want the best yield i can get for the space and veg time.

hey everyone, I have a 2'x2'x5.5' tent. Want to do a dwc scrog with 5 gallon buckets. How many shold I put in here one or two plants. Worried about reduced yield if I suffocate with to many plants. I plan on vegging for about a month.

Has anyone seen this video on youtube? http://www.youtube.com/watch?v=9sr58DBJ0Dw&feature=related Its a video showing how unflushed weed burns to black ash. While clean, flushed weed burns to a gray ash. So flushing cant be pointless... Id rather smoke the cleaner looking one, even if you cant...

Thanks, so all the pistils on the bud will recede when its done?

Hey everyone, want to know if I can cut this plant down now. Its a 2 week veg and its about to start week 10 of 12/12. Strain White widow. Pic is close up on top cola. Anyone think I could harvest now?