A little help please, stuff going on with my leaves

I have my plants looking good for the most part but recently I discovered they have some discoloration kinda like bronze and I can even scrape it off. I was curious if it was something having to do with nutrients, fungus, mites, or anything else I have no clue about. I will try to take pictures but it is really hard when the lights are on to see it well. I definitely have some nutrient burn from some splashing could that be it? Thanks in advance.

Thank you much this will get me far.

Walterwhiter said:

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Purely from a fast look it appears I have a Cal/Mag problem. I put it in all the plants yesterday when i watered them so hopefully it will start to show. It is not bad but I just want to make sure I stay on top of everything.

Im so new I'm not even green yet but I liked it and have been try to share it

It really makes since to me when I look at it and look at my plants. I really appreciate you sharing it with me. I am super green too but jumping in head first and so far it seems to be going really well. I think it is mostly luck and reading.

So it appears as though they are looking better already and clearing up. I am almost 100% sure it it was the Ca/Mg deficiency.

bwailer said:

So it appears as though they are looking better already and clearing up. I am almost 100% sure it it was the Ca/Mg deficiency.

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Cool part of why I have been sharing it to see if it is accurate for my own use. I've been watching all the newbie threads trying to learn along with folks

Walterwhiter said:

Cool part of why I have been sharing it to see if it is accurate for my own use. I've been watching all the newbie threads trying to learn along with folks

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Thank you very much!!! It is an awesome chart and it is very nice of you to share it with all of us. Thanks for looking out.