Little Brown Spots

Coors

Well-Known Member
So my plants are in vedge right now and a few of them have little brown spots on their fan leaves. I can't find any bugs anywhere, so I've come to the conclusion thats it a nutrient issue. I can't tell if if is a deficiency or a burn. Early on I got drunk and tried to mix up a batch of nutes (Bad idea!!) and burned them a little, but they have gone through 2 big flushes and I just added 1/4 strength nutes this last go around. If I had a camera I would post some pics. The water that I have been feeding them with is extremely low in calcium and magnesium. And I have been feeding with canna nutes 3-1-2. Any idea on what it could be?
 
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