with those lamps you can have the plants right up to them, however if you're hoping to flower with em i think you'll be sadly disapointed witht he results.
It looks to me like you have the plastic cover over that flouro, its really in your best interest to have a bare bulb shining on your plants. Pull that sucker off.
Put the two seedlings into seperate pots, trust me, you'll be glad you did later, or rather, you'll be upset if you don't when they've rooted together and one turns out to be male.
Good choice with the growers handbook, its a valuable source of information. There is also alot of great info for free right here, click the FAQ button at the top of the screen and be amazed by the grandness that is knowledge.
Also if you want see how out of control this "hobby" can get, check out the thread in my sig where i profile the thousands of dollars that go into a grow.
The great part is, if you put money, labour, and love into it, you are rewarded with beautiful buds galore.
