Noob indoor grow - 12/12 from seed

Hey all

I barely speak english, but I hope you can understand what I'm trying to say

This is my first grow and I use the 12/12 from seed method. I know all the bad things about 12/12 from seed, so pls don't post anything about this!
Im using a 400W HPS and I planted 9 seeds in soil and perlit mix. I have ordered 5 feminized Nirvana PPP from a shitty seed company (sensib***s.com) and all of them was broken
They give me 10 Leda Uno seeds from KC Brains for free, so I have to plant Leda Uno. I would post very low quality pics taken with my phone, cuz I don't have camera:S
If anything goes wrong pls don't forget to give me advice!

they are now 5 days old

today my fuckin little black cat pulled out one of my little plants... little bastard..
she's very week now, i think her root is hurt a little. hope she don't gonna die.
i have a question:
my plants are 6 days old, when do they grow the second pair of leaves? they are the same height like two days ago. is this ok?
the HPS is now 22 inches away from the seedlings, is this too close? dont forget, im a noob! i have stupid questions! If somebody read this, help me pls!

day 9

3 of them grow nice, just begin to grow the second pair of leaves, but 1 is very little, dont know what the problem is.

on the first 2 pics is the biggest one and on the 3rd is the little.. why don't she grow?

that sucks about the seeds! I've had good experiences with Dr Chronic and Amsterdam Marijuana Seeds. I recommend both of them

i have a question:
my plants are 6 days old, when do they grow the second pair of leaves?

In another 5 to 10 days.

they are the same height like two days ago. is this ok?

Yes it is.

the HPS is now 22 inches away from the seedlings, is this too close?

Put your hand just above the plant and hold it there. If your hand get hot it's too close.

Do not feed them any food till they have their second set of leaves. Then feed they very little for the next week. Remember they are babies!

Good luck.

Peace