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Cannot get rid of rusty leaves
Pochettestarted grow question 4 years ago
Rusty leaves I cannot fix.
I am having difficulties identifying the problem, what is the issue?
I feed it with AN MGB, Big bud, cal mag, my ph is perfect, reservoir is clean and temp is OK well oxigenated.
And today I added B-52, and Nirvana 0.75 ml per litre
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WinstonLeWulfanswered grow question 4 years ago
If this is a lower leaf, I'd be more inclined to suggest this was an excess of potassium because of the way the leaves are curling at the edges and also the intraveinal chlorosis (the very light vein in the leaf blades). Have you noticed anything else such as really short internal space or anything?
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DoDrugs420answered grow question 4 years ago
That looks like an excess of phosphorous or potassium.
Also looks like a calcium deficiency.
But i don't grow in hydro so i don't want to be saying its this or that, but could be either of these , if ph is perfect.
If you gave it calcium and its still appearing in new folliage, then its a lockout due to too much P or K.
Wait for more advice before picking an answer, it might be something else.
Stay lit growmie, and good luck.
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