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Burnt tips - 4 weeks old

Weedasrelax
Weedasrelaxstarted grow question 4 years ago
I have a problem with the burning tips, and don't know what is caused by, the excess of biobizz or is a deficiency of zinc. Can someone help me please?
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Week 3
Leaves. Tips - Burnt
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TheBudWhisperer
TheBudWhispereranswered grow question 4 years ago
Don't do anything.... at least not yet. For 2 reasons, #1. What you're seeing as burnt tips on the newer growth may not actually be nute burn at this point. If it were I'd actually expect to see it on the tips of those fan leaves that are 1 node lower from the top as well. What you might actually be seeing at this stage is simply newer, slightly more pale growth in which case you have no issue whatsoever. I'd also be surprised if your nute regimen is too strong given that your using organic. N-P-K is about standard with other systems but my experience with Biobizz is that like most organic nutrient systems, they are somewhat less aggressive and potent than your typical synthetics. #2. If it is nute burn, it's very, very minor at this point which means your simply running the plant to it's nutritional limit and that's not really a bad thing. If growth rate is still unimpacted then odds are good the plant will simply grow in to your current nute mixture concentration. I'd probably keep the nute mix where it is for the next week or so and you should be fine. ***The other alternative is to simply stagger your feeds, 1 with regular water and the next with your nutes. Realistically, this is a 3 week old plant in a soil medium so it really doesn't need a whole lot more than what it's already got in the dirt until about week 4 or 5. Steady as she goes homie. Good luck with it.👍
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Athos
Athosanswered grow question 4 years ago
It's over feeding. With 12 liters of soil, there is no need to feed the plant in quite a few weeks. So, stop all feedings and let the plant feed itself from the soil, only start feeding once you see the first signs of deficiency. 4 ml of bio grow if quite a strong dose.
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rhodes68
rhodes68answered grow question 4 years ago
Dial back the Bio-Grow Never used more than I think 10ml/gal of bio-grow or fish-mix, in your case taking it down to that level might help. If I want to get aggressive I used the bio-bizz fish mix as they list in the schedule. Good luck
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OGgrows
OGgrowsanswered grow question 4 years ago
Hi @Weedasrelax It seems to me the beginning of excess nitrogen, the biogrow is a very strong product, 4ML is a lot for a small plant. If you use light mix substrate, just apply 2ML of biogrow at this stage of the plant, if you use allmix substrate, just 1ml of biogrow. good luck mate 👍
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