Not Bugs!

Hello to all you fine folks here at RU-
I am a grower now for about 5 years and I grow indoors. I use a 400 watt MH for veg and a 1000 wattHPS for flower. So far so good I would say. Right now I have 2 vegging plants, one is cheesequake and the other is OG 18 i believe. The problem I am having is white spots on the leaves. The plants are a month old or so and one is seed and the other clone but the same white spots. Toxicity ,maybe? They are in Happy Frog soil and I use Advance nutes...too much light to early? Pretty sure that it is not bugs as I have looked them over very well and I have already learned that lesson...I would have to say that after a lil flush the tops are looking better but I still need to know the cause..I am posting pics and would appreciate any and all feedback..:clap:
 

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Well after much thought I went back and studied the plants hard under the microscope and guess what..thrips...so I guess the headline of no bugs is wrong..
 
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