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Even Google can answer this basic query. Here: http://images.google.com/images?client=opera&rls=en&q=male%20female%20cannabis&sourceid=opera&oe=utf-8&um=1&ie=UTF-8&sa=N&hl=en&tab=wi Lots of images showing the differences. Sex shows when they start flowering.

There are a lot of cowards in the world with more 'guts' than heart, or brains, for that matter. It's easy, completely effortless, to hurt others when you don't really think and feel. I guess it's basically group mentality. A odd way to describe something which seems devoid of any mental...

Spiders keep real pests away from your crops. I always leave them when they establish themselves in my grow room, if possible. Not complete darkness is a pretty big issue. Aluminum foil and aluminum foil tape can solve that easily. I go more by bud development. Because different parts of...

That's SOG! Sure you can.

Again, aluminized Mylar is the best intense reflector. It has the best properties to create hot spots. Especially with it's 'wavey nature'. The parabolic trenches, common with hung Mylar, will certainly focus light and reflect it unevenly and possibly create hot spots. Aluminum foil is too...

I think you answered your own question. Yes, leaving bud unsealed will diminish both potency and smell/flavor. Though it's not a rapid process by any means.

I'd suggest a T8/T12 GE Plant/Aquarium bulb(easiest to find, usually). Most other major manufacturers also produce PL/AQ bulbs. These are not readily available in T5 size. Though I'm fairly sure you can find them on-line, as well as CFLs for plants. Plant-specialty bulbs produce over 2x...

You're welcome! Glad to see someone's learning something. :) Most glass is fairly transparent when it comes to visible light(over 90%). However, glass can appear quite opaque if you used a thermal imaging camera. It depends quite a bit on the composition of the glass. Also, the more acute...

No, both sides of the foil reflect light and heat equally well. There's a very negligible difference. Aluminum is mostly reflective due to it's atomic properties(as are most metals). The surface smoothness will change how much it acts like a mirror, or how it'll act more like, uh, titanium white...

No fluorescent technically qualifies as full spectrum. Tungsten halogen lamps do, high pressure xenon does, and so do a couple others. None are really efficient. Plants don't need full spectrum lighting, though.

Perhaps even more bizarre, airports in many states have banned aluminum underwear, as their sensors don't penetrate Al. And some states illegalize it completely! Aluminum foil can also be used to block RFID used to prevent shoplifting(those big things you walk through at the entrances to some...

They actually make aluminum lined panties in Japan... apparently perverts use IR cameras to sneak a peak at the goods.

Aluminum foil blocks more IR than aluminized Mylar.

You have to knowingly receive stolen property, or it's not a crime. :lol: Proving someone had knowledge is very, very, very difficult.

Anything above absolute zero radiates(even 'air')... I meant the means of whatever is being warmed is done so by convection. They're mostly looking for escaping heat(in the form of hot air). They can't not see through the walls or roof of a house. FLIR cameras can barely see through clear glass.

Maybe one of these is to your liking. kiss-ass

Intelligent flaming... not many people are capable of that these days. Welcome to RIU. :peace:

Some T8s or T5s. Even T12s, though not quite as efficient. Looks for the GE Plant/Aquarium bulbs, they are excellent, and emit the lowest lumen/watt(as little as 20 lm/W). Because lumens are for humans. And plants don't utilize the light that humans see best(green), they reflect it. High...

The ballast on a CFL is what generates the majority of the heat. Fewer higher wattage CFL bulbs would output much less heat than a HID of equivalent real wattage(and including the HID ballast, of course). A bunch of smaller CFLs, each self-ballasted would produce as much, or even possibly more...

Unless you can find PURple CFLs, strip fluoros(T8s) are the best. Better than T5's, unless you can find a plant-specific bulb. But none of the major manufacturers(GE, Sylvania, Phillips) apparently make these plant/aquarium bulbs for T5 fixtures. But they're readily available in t8/t12 sizes...