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This is a flowering light cycle. the 21:36 on, 12 off fits in a 7 day period evenly but adds more time in daylight while keeping the plants in flowering. Grow journals have shown this to work, but you need a 7 day timer and to be able to work around the crazy light schedule for feedings and...

Yes, the sex of the clones will indicate the sex of the mothers. just label them. They look like they've recovered nicely.

If not the light schedule, it is probably light leaks. inconsistant 12 hour dark periods or light leaks can cause revegetation or hermaphrodites.

It can, but it takes a while and the plant will undergo some really strange new growth as it changes states. I don't know how bad your problems are, but I would revert back to veg as a last resort only.

I usually cut a clone and flower it for sex, but I have never had any problems result from returning to 24 hour lighting after they show sex.

It's possible to clone from roots, and they do look like little seedlings when it works. Time will tell.

you can certainly do it, and it's not a waste of time. it's more a question of economics. 8 bulbs at 10 bucks a crack, and 8 reflectors at 20 bucks a crack is $240 before considering the fixture itself. To do it right with T5's the equipment is a bit pricy. 440w of T5 costs a lot more to put...

different seeds make different plants, and some are stronger than others.

well assuming fresh air is entering and nitrogen is being exhausted, the concentrations of everything other than nitrogen will increase.

I would use the 150w hps. If you are more comfortable with fluoros, a 6x24w T5 fixture would light that space about as effectively. The bulbs are only slightly warmer than your cfls. hps is cheaper tho.

If you mean "what is the best type of bulb to grow a plant from start to finish using 1?" then I would say CMH. Otherwise, be more specific please.

Check out grows using Lucas formula. Many growers use Floranova Bloom as the only nutrients from start to finish with great success.

It can be done. You'd likely be best to do a stretchy sativa under 12/12 from start and begin training it as soon as there is enough stem to bend. I have a sativa in a 4" pot about 5 and a half weeks flowering. The first bend was at 2" and kept her tied down. The main stem is about 24" long now...

Only slightly off-topic, it opened my eyes a bit to my power consumption. Last year I was just slightly over the average home line on the graphs. I went around my house and replaced every incandescent bulb with CFLs of the lowest wattage that would make the room comfortable. My living room had 4...

Well how big is your grow? I have 700w on 24/7 right now and 400w on 12/12, and when I go on my power company's website and look at the graphs of my power usage, it's about 10% below the 'average usage of similar homes' usage. The smart meter is kinda cool really, I can see my usage patterns...

It means they can read your meter without a dude walking up to your house. Everybody will have these eventually. As far as I'm concerned it's a good thing. they know how much you're using with or without the smart meter. regarding the premise visit, I have no clue if they will need to come...

The best thing anybody using T5HO for flowering can do is purchase individual parabolic reflectors for their bulbs. They are up to $20/reflector for 2ft tubes, but increase light at the plant by up to 250% over a flat reflector and are available for bulb spacing 2" and up. some better T5...

If you use similar spectrums those commonly recommended for cfl's, you can get better results than the cfl's easily. If you spring a few bucks for individual parabolic reflectors for the T5 tubes, they can rival hps of comparable wattage.

Floranova Bloom is pretty good stuff. Plenty of growers use it start to finish with no other nutrient products. I use it as my base and make minor adjustments as the plants show what they want. Any grows using Lucas formula for feeding would be a good source of info on this product.

The sacs in the pics don't look open yet. Get rid of that thing. If you're only 4 days into flowering, then you should be ok.