Just wanted to say that you CAN sex plants before flowering... I do it all the time, as do I am sure many many others. I dont have anything else to add because you guys already covered it :-)
IME I usually just have my prehigh mood increased. If I am feeling tired and smoke then I get more relaxed. If I am at a party with friends then I feel more social and goofy. Of course the type of weed plays a part, but usually it is the situation and my mood that I think plays a bigger part...
Yeah they will be fine as long as the 12/12 cycle is maintained... think about it in the wild... a few days of clouds never bothers them, this is just a cloudy week for them till next week when the sun comes back out to shine :-)
Rick
The main different between flouros and MH/MV/HPS lights (as it applies here) is the intensity of the light. Even if the bulbs both give off the same lumens rating (which should only be used as a guide, lumens are not totally relavent to how well our plants will grow), the MH/MV/HPS lights will...
My first hobby is Marine tanks and I do alot of research on many areas of saltwater fish/corals so I have a decent bit of experience here but I wouldn't say my opinion is anything other than that... opinion, but should be pretty straight forward regardless.
Firstly PC and VHO ARE flouros...
If you still haven't done anything with the fan... here is some info I hope helps. Computer fans run off of 12 volts, not 120 volts like our wall outlets (assuming you are in the US). If you plug a computer fan into the wall you will burn it up and ruin it. Find any plug that goes to small...