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Leaves dying and browning at tips in veg ?!
Billyandbarbstarted grow question 2 years ago
My leaves are browning at tips, lower older leaves but working its way up.some have brown spots as well. Feeding GH micro, grow, calmag. Also sprayed bbg for bug prevention about 5 days ago. Leaning towards K deficiency but would love some advice from someone who may know more?!
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GrowingGrannieanswered grow question 2 years ago
GH's Flora series is meant to all be used together... so you ARE missing some important P & K nutes... if you want to follow their "aggressive feed" in veg, you want 3 parts Grow, 2 parts Micro and 1 part Bloom ... I honestly don't think you should run the "aggressive" feed as it looks like they're getting some nute burn - but you've got to get that Bloom in there! The last picture definitely appears to be wanting more potassium.
The first picture is a bit strange - it looks exactly the way one of mine did when the pH spiked high on her... just to be on the safe side, if you haven't calibrated your pen (assuming that's what you use), I would do that. I ended up having to give my lady a lot lower pH than the other strain I've got going... she just couldn't even take a 6.2 (I grow in DWC).
Good luck with all the ladies!
Billyandbarbanswered grow question 2 years ago
Thank you all for the advice. I fed with 8ml/G with gh 3 part. Also added 3ml of liquid kb 0-10-10 just this one time to help all bounce back. Also my coco is from canna and was well broken down by myself. I have never had issues using there coco in the past and all the shops I help out at use mo Koko and canna with 0 issues. I had 0 issues or signs of deficiency until I fed 2ml/L of microbial mass and all growth exploded and then 2 days later I start showing this deficiency that I have asked about. again thank you guys 👍
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Ezzjaybruhanswered grow question 2 years ago
Like grannie said - you need to be running with GH bloom at all times in Veg for it’s phosphorus content.
Right now your NPK is like 7-1-7 which is not optimal.
Hopefully that coco was properly rinsed and buffered, cuz that will cause issues in time.
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ernest_twwganswered grow question 2 years ago
Yep, looks like potassium deficiency to me, too. But, just to make sure, you should check the pH of your runoff and the pH of the water you use to feed it. Make sure it isn't a potassium deficiency due to pH problems.
Here's a reference link for potential future problems you might have regarding nutrients:
https://dutch-passion.com/en/blog/a-visual-guide-to-cannabis-deficiencies-n987
If you're new here, please select the answer that helped you out the most by clicking on the "answer" button underneath what the person said. If you have any questions, feel free to message me on here. You can pull up your messages tab by clicking on the little airplane in a bubble. It's located on the bottom-right of your screen.
I hope this helps!
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