Brown spots on a few leaves

misanthropeaic

Active Member
Does anyone know what this could be and what I should do? I'm thinking Mg defiency? I'm using pretty crappy nutes the ph keeps rising and I have to keep putting ph down every few hours. Could this be the problem? CNS17 is what I'm using. I wouldn't recommend it. My plants are 4 weeks ppm 881
 

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looking like a mild case of nut burn. hard to tell with the pics. try flushing and see if she looks better in a few days.
 
Are you using soil? If so, what are you using? I had the same thing happen to me and my plants. I was using Miracle Grow and my plants started to get the same brwon spots on a few fan leaves. I transplanted my plants last week, into some organic soil I bought at Wal-Mart for $5. They are doing a lot better now.

The first two pictures are from last week. The last two was taken one week later (yesterday)
 

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No, I'm not using soil I'm using DWC. Dude told me it might be minor nute burn and to flush my reservoir. So I did and I'll see how their doing in a few days but yea looks like your girls had a case of it too.
 
No, I'm not using soil I'm using DWC. Dude told me it might be minor nute burn and to flush my reservoir. So I did and I'll see how their doing in a few days but yea looks like your girls had a case of it too.

i am experiencing the same thing with my auto ak im growing. Im using the same nutrients. did you end up figuring out what was wrong. because i added cal/mag and tried lowering my nutrients and spots are still coming up like yours.

thanks
 
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