Manganese excess?

Discussion in 'Sick Plants and Problems' started by a_newbie_grower, Jul 30, 2017.

  1. Finding a few of these spots on one of my two plants. I'm nearly positive it's manganese excess and not a deficiency. I'm using plenty of nutrients and pH is around 6.7 on a slurry test (6.5 going in) so it shouldn't be a calcium lockout. I'm thinking I'm using too much nutes. Using nectar for the gods sample kit.

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  2. definite too much food...the green looks almost blackish ...too many of one element locks out another...so you do essentially have a deficiency..BUT ..it's caused my too much of another fert...back of the feed and flush with 1/4 strength nutes until that stops and the new growth returns to normal...
    .don't worry about those leaves they won't come back.to 100%..just the new growth should be OK....watch the runoff ph ...it needs to stay in range for feeding to work properly.

    GFP

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