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That's what I would use in a PC case, a 42W minimum, or maybe two 26W's. The 26W's should be easier to find at any hardware store. You will also need a PC fan to vent the air in and out. I think a fan in the front to pull air in, and a fan in the back to pull air out would be ideal. The venting...

One 600W as long as heat isn't an issue. Two 250W lights if heat is an issue.

Fluorescent is your best bet. AT LEAST, you need a 42W CFL. Cool color for veg, warm color for flower.

1 gram per watt would be ideal for an experienced grower. 400W = 400 grams, 600W = 600 grams, etc. This would be IDEAL and not easily obtained.

That depends on many things young Padawan. Anywhere from 7 to 168 per plant, for an indoor grow. Maybe more. Lighting, nutes, temperature, air circulation, genetics, grower experience, are a few things that will determine yield.

Main things that get you busted: 1. Telling people of your grow 2. The smell 3. Noisy neighbors 4. Stealing electricity

I fixed the pH problem, and trimmed the leaves with the problem. Was I correct to do that? Or, would the leaf had healed itself?

Hydrofarm Lumatek ballast. My 400W has been handling my MH 400W and HPS 430W Agrosun Red bulb like nobody's business. No noise whatsover and a small footprint to boot. Plus, it's purple, nuff said.

Pretty sure you nailed it, rep for you.

Thanks for the link. I found another page over there that looks exactly like my problem: link I use the fox farm ocean forest and all their nutes and supplements to the letter every other feeding, so I didn't think it was a deficiency per se. I checked my ph runoff and it was bright yellow...

Nothing, unless you can get it closer to the plants. I have a 400W simply because for a 600W or above, I would need a ducting system to be able to get the 600W or above closer to the plants. Since I don't want to do that, my top light is a 400W. If I got a 600W or a 1000W, I couldn't place it...

Other than a couple of leaves, everything looks really good. It is happening towards the bottom of my Nirvana Northern Lights plant. I am using fox farm ocean forest soil, with all the fox farm nutes and supplements being used every other watering. Following the fox farm chart exactly...

It depends on how far away you can place your light. A 400W at 11 inches is the same light as a 1000W at 18 inches.

It's about a 7 day turnaround time. So, 7 days to get there, and 7 days to get to you.

Worldwide seeds: Link

My RH went down to 16% last night and I had to break out the humidifier. Got it up to 35% before the lights went out. Humidifier

This is the one I use: Timer

Yes, you can start a new veg cycle. People have been known to start a new veg cycle after flowering 12/12 for a short time, so you should have no problems.

The plant can do fine on 24/0 in veg. Your heat would be best at mid 70's. 65-85 would be the two extremes. However, others have posted their's are fine in the 90's. That's too hot unless using co2 if you ask me. Also, check your light distance, you may be burning them a little if the light is...

Week 4 in flower. Starting to get some crystals...mmmm good.