i dont think they r but someone made a comment that they might be. i thought i had a cal def. put some mag-cal, but what u guys think? any advice.
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i dont think they r but someone made a comment that they might be. i thought i had a cal def. put some mag-cal, but what u guys think? any advice.
Didn't look like a spider mite infestation to me, at least, judging from the undersides of the leaves. Best way for you to tell is by looking at the underside with the light directly behind it. They're tiny, but visible. Helps to have a magnifying glass or photographers loupe on hand. You'll know them if you see them...devilish looking creatures. Also look for tell-tale webbing.
But that looks more like a nutrient issue (deficiency/toxicity) or a pH problem to me. If you don't see any of the classic signs of spider mites, i.e. - spider mites running around, webs, etc., then you should start looking into another possible problem.