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A picture would help others diagnose the problem. Have you flushed the plant recently? The curling and dying leaves maybe because of salt buildups in the soil or it maybe that you are experiencing some sort of pH lockout or it maybe part of the natural life cycle of the plant. I would recommend...

CFLs + reflective tarp is superior to a reflective tarp by itself. I didn't suggest that the HID be replaced, only supplemented. If a person has the time, money, and motivation to set up side lighting, they'll have a more successful grow. It isn't necessary, its just an option for maximizing...

It probably won't hurt them. I use a lot of perlite and the top layer exposed to light always develops a green algae tinge. I haven't noticed any tangible side effects.

Hey there. I think that your 4x400w lights will be plenty for your 20 plants. I've often heard people recommend 50watts/sq foot and you have 1600watts/30 sq ft = 53 watts/sq ft. I think your grow pots should be plenty big enough too, are they 8 gallon containers? You would be fine with 5 or more...

I see timers in the grocery store too sometimes if they have an aisle with light bulbs and power strips and such.

If it has the white female hairs and the round male pollen sacs, its a hermie.

Harsh, unpleasant smoke. If it would get you high after being cured properly, it will probably get you high "raw".

That pot bust in San Diego was a general drug bust. The police were breaking up drug dealing groups in frats. They were selling weed, cocaine, mushrooms, ecstasy, hash, meth, and prescription drugs. The DEA also found some guns. It wasn't a pot-head round-up, it was a long term investigation...

I have used autopots and I think they are a good product. I think an autopot would be perfect for mother plants. Just make sure to check the valves every now and then to make sure they haven't clogged/jammed. If you have any specific questions, feel free to ask me here or PM me. I'll answer as...

What is the pH or your tap water? It may be acidic to start. The botanicare nutes may have a buffer in them that stabilizes the pH at such a low point. In order to raise the pH you have to overcome the buffer first before the pH will begin to raise significantly. Another thing to consider is...

You could try 'canine proofing' your dorm building. Take a plastic bag or sock filled with weed and rub it on everything in the building; other peoples doors, coaches, vents, base boards, everyone's dressers that you have access to, any place that might seem logical to hide weed or to have come...

If you're using tap water don't forget to let it either sit out for 24-48 hours to remove the chlorine from it. Or if you have an aquarium air-pump and air stone you can just bubble air though it for 30 minutes to remove the chlorine. Do that and you should be fine without a pH meter. Fancy pH...

I've read the numbers 80% female, 20% hermie thrown around by people who purchased feminized seeds. Your experience may vary depending upon the seed bank you buy from. I've never personally bought or grown feminized seeds, so consider that before taking my word as fact.

No, these is no return of the nutrients to the reservoir. The valve has two parts basically. One part allows water to fill the base of the system to a certain level. The second part doesn't allow the first part to add more water to the base until all of the water/nute solution has been wicked up...

I have personally used the Easy2Grow system, here is my recommendation: 1)Start the seeds in a smaller container, like a solo cup. 2)Grow the plants in the solo cups until they develop a nice root mass, 2-4 weeks, hand watering/feeding every 3-5 days 3)Transplant your babies into the...

Here is an excellent way to start seeds, Seed starting basics - SHERRY'S GREENHOUSE & gardening, adapt it for your needs and goals.

I think that if you had a carbon filter for your breeding box to remove all the airborne pollen and you were careful to always visit your breeding box AFTER you were done in your other rooms that you wouldn't have a problem. You could give it a try and if you found that you were getting unwanted...

Is this cross auto-flowering? If so you don't need to ever switch your lights from 18/6 (or 20/4, whatever floats your boat) to 12/12. If your plants are auto-flowering I would suggest switching them back to 18/6 and feeding them a veg nute mix until you see them begin to flower. When they begin...

I don't think I see a problem. It looks like part of the plant's normal life cycle, with nitrogen being consumed from the leaves in a final effort to boost bud production. Check this out in the GrowFAQ, GROWFAQ, and look at figures 9 and 10.

The drip is only for immature plants that don't have roots that reach the popping bubbles. You could water the plants by hand until the roots reach the reservoir. You could also start the plants in solo cups with soil or coco coir so that they could develop a root mass and then transfer them...