White/bleach discoloring of leaves and a few white spots

My plants are 15 days old and under a 250 watt MH. I moved them down a few inches when i noticed cupping on one of my plants. I gave them a small amount of fox farm big bloom a few days ago but it doesnt look like nutrient burn. I also have a light fan going over my plants, so i don't think it's spider mites. I spray the leaves with a mister. Any ideas what this could be? Also, new growth of one of my plants seems a bit yellow which is confusing since i didn't do anything different with it. The difference in color is lighting ( MH vs iphone flash)

Eric H said:

I also have a light fan going over my plants, so i don't think it's spider mites.

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Heh heh, I hadn't heard that. Is that like a pot of water won't boil over if there's a wooden spoon across the top?

Anyway, they look pretty nice. What's with the big bloom though? Veg nutes! This will get you a little more lush.

I'm in my first week of flower and noticed I also got some bleach /white spots on all 4 plants and I just noticed the orange or brown looking spot on one of the plants today. Had a few successful grows without any problems. This grow I'm just not to sure about

Anyway, they look pretty nice. What's with the big bloom though? Veg nutes! This will get you a little more lush.[/QUOTE]
oh on the fox farm feeding schedule website it suggests a little big bloom in seedling and early weeks but i think ill lay off on it until maybe week 3 or 4.