Burn spots from lights? Help, 1st Grow

[miko]

Newbie here. Ok, started from seed, indica strain. Seedlings did well under 4 four foot 40wt fl's. Nice growth and color at 2 weeks.(pictures provided)
Then plants were moved into small veg chamber with good air circulation, 3 u-bent 40wt fl's & 250wt Heat lamp at 20" for 2 days, then replaced 250wt with 300wt cfl 50% hum, 72-78 deg. 24/0. Grow medium is MG Organic Potting Mix. /N-0.10% /P-0.05% /K-0.05% Tiny light brown spots developed on foliage,thus the change to cfl. So the question. Why the spots?
Pictures attached. 1st Grow. Please Help. Thx

 

[Mystery101]

I doubt your plants need any nutes man.. Hold off on them until the thrid week, at least.

Plants look great man!

 

[itzCESAR*]

I disagree! Go for 1/4 strength nutes bro.

 

[pimpnitjc]

i AGREE TOO, GIVE THEM 1/4 NUTES IN THE SOIL TOO

 

[floridacity2004]

look if i veg my plants and i use a 1000w water lumens light how close can i get

 

[sllik]

for the first 2 or 3 weeks they dont need nutes.

 

[Mystery101]

i AGREE TOO, GIVE THEM 1/4 NUTES IN THE SOIL TOO

I disagree! Go for 1/4 strength nutes bro.

DO NOT listen to them.. They will be the ones that cause your plant to wither. 1/4th strength before they are mature enough WILL cause nute burn. If you want to find out exactly how much nutes are in your water get a ppm meter and you wont regret it.

for the first 2 or 3 weeks they dont need nutes.

Exactly what I said. Thanks

look if i veg my plants and i use a 1000w water lumens light how close can i get

Close enough to where they don't burn the plants. More light = more bud.
Try the hand test for 5 mins. If your hand remains warm, then your good