Newbie - Help With Yellow Spots

[BobbyBobby420]

Help for newbie:
I noticed a couple yellow spots on my leaves. Not sure why:
Here are my conditions:
Starting week 3 Seedling
White Cookies
Three pots 7gal with FoxFarm Ocean
1000w MH @75% Air Cooled
4x4 Tent
78 degrees (controlled 79.5 High 72.0 Low)
Humility 60% (controlled 70% High 46% Low)
Feed schedule 12 day feeding cycle
Day 1
Tap water, 5.9 PH, Cal Mag, Superthrive, General Hydro G,M,B at Seedling Level
Day 5
Tap water, 5.9 PH, Cal Mag, Superthrive at Seedling Level
Day 9
Tap water, 5.9 PH, Cal Mag, General Hyro FloriBlend, Liquid Seaweed at Seedling Level

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[Weaselcracker]

I'd just ignore it unless it really spreads. There is always some little flaw somewhere.
Maybe someone more expert than I can come along and diagnose this- but honestly I think you have nothing to worry about. Your conditions sound good and plants look fine. You could turn your lights way way down but as long as you don't mind wasting a little power then it's not hurting anything to leave them the way they are.