leaves have spots and are brittle help! (PICS)

ok so just to let you know im a complete newbie at growing and my plants are 15 days old and just went to water them and i noticed that the leaves were dry and brittle and 1 leave actually cracked when i touched it also ther a bit droopy and there is dark spots on it and its only dry and brittle around the edges does any one know what this is please any input at all would be greatly appreciated.

have you been feeding, and what lite you under.

Are you giving them fertilizer? It is hard to tell from the pictures because they are so blurry, but it sounds like nute burn. Thats what happened to some of my plants when I upped their nutes to fast, some of the leaves got spots and turned brittle.

and 1 plant per pot, also get some perlite, mixed in with the soil, and i add 2" of pebbles in the bottom of my pots for better drainage.
if it is over feeding, then dont feed at all, they is food in the soil for the first 3 weeks or so.
i dont feed till 4 week, and then only 1 time a week, till i goto 12/12 then every other water, every 4 days to start.

im not feeding them and the light im using is 23w cfl and 2 fluorescent tubes 1 1/2 feet long each

what soil are you using

i dunno i scooped it out of my roomates house plants cause i didn't feel like going to the store and he forgets what soil he used for them

your lights might be to close...keep them atleast 6 inches away..small plants dont need cfls to be so close.

thats why your plants look over fed, you have used old soil.
get new.

also get some perlite when you get new soil. have you got a fan?.

yeah im going to get some new soil soon and yes i have a fan ocillating 18/6 same as my light cycle