Hey guys, first time post and grow.
I noticed one of my 3 plants had this on 2 of its bigger leaves...
In real life they appear almost shiney, rusty in places, but can't tell if its mag or nitrogen, molybdenum or something else ????
Really struggling to work out what's up with it... Any help would be much appreciated!
For ref this is a greenhouse grow in coco, Northern lights autoflowers, they are almost 5 weeks old and the last feed i gave them wqs terra vega and calmag, 14ml nutes and 5ml calmag in 1 gallon split between 3 plants til run off.
I gave no nutes or calmag for the first 14 days, and slowly worked up from 7ml nutes and 2ml calmag per gallon up to 14ml and 5ml, which i decides to give twice this week as the soil dried up faster than previous weeks where they only had 1 feed and water per week.
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