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Light patches on leaves, from middle specifically
ClydeGrowsstarted grow question 2 years ago
Light patches/spots on leaves, as pictured. Occurring on both plants :(( I've discovered what I think are fungal gnats today (not a huge infestation thank god haha), could it be a symptom of those? Or is this a known deficiency/burn?
Thank you!
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Leaves. Other
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ClydeGrowsanswered grow question 2 years ago
Would love some more input on this... Could it be the gnats? The discolouration looks like little spots where it has been suckled... Often in a line along the leaf vein, no discernible pattern across the plant (as in, from bottom, or top, close to anything in particular). Does any one know of a diary where the same bleaching was happening?
GrowingGrannieanswered grow question 2 years ago
The patches are an early sign of a calcium deficiency... and this is usually caused by either a nitrogen toxicity (which I don't see) or a pH that's way out of range. If you've not been measuring your pH, now is the time to do it... your tap water may be 6.8 but the additions of nutes can drastically alter that reading... and if you're growing in coco, even 6.8 is much too high - you want to get it to 5.8-6.0 when they're vegging and 6.0-6.3 in flower. If the problem is pH, throwing any amount of calmag at her won't do a bit of good.
Good luck!
Oh yeah - fungus gnats... don't ignore them... get yourself some Mosquito Bits and follow the directions... you need to soak the granules in some water for 30 minutes and then, after straining the granules out, use the water to water your plant... works a treat.
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ClydeGrowsanswered grow question 2 years ago
Also these are occurring both at the top and bottom of plant/on new and old leaves...
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