new grewth tips curling/corkscrewing??

Ok so after recovering from yet another noob mistake on my first grow (and i think recovering quite beautifully) ive noticed that the new tips on my plant are curling under and some are even corkscrewing along the entire leaf! the plant looks pretty healthy in my opinion aside from the curling and corkscrewing. She's been on a 12/12 light cycle for almost a week now, hasnt been watered for 4 or 5 days (last water was a flush, last flush was a 25% nute solution), so any ideas whats causing it?

edit: sorry about a few of the pictures being blurry, my cameras been bitchy lately and im not sure why >.>

I am definitely not an expert, but I think I remember reading a similar post on here about the same thing. That person was told that it is a good thing. They are doing that because they are growing faster than they would in a natural setting, ie getting better light and nutes. So basically, you are doing a good job, keep it up.

well huzzah, thats a kick ass anwser to get.

I would have to say it's rather a case of nutrient burn and deficiencies at the same time.

Do you grow in soil or hydro? What nutrients do you use? What is your nutrient and/or medium pH?

This happened to me, and I was told it was because the plants are using the nutrients more efficiently than they would in nature, so its not a bad thing. Mine were more corkscrewed than yours rather than the ends turned down, but they don't look bad. If they start changing colors or looking burnt, there's quite a few things it could be. But if they stay green, I wouldn't worry too much about it.

Leafs are still nice and green and growth has continued to be vigorous (so vigorous in fact that I'm a bit worried about the plant getting too tall for its grow area).

edit: btw gaines if your deficiency / burn theory comes from that really necrotic leaf in the pictures thats was from neem damage that i inflicted on her via over application.

Mines do that,and turn out perfect mate.