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Leaves turning bronze and crispy

H

Hollywood32

New member
Help!!
Im in week 7 of flower. Indoor grow in tent in a stable. 2 400w bulbs. 6 plants. About two week ago they started to turn. Only 4 of them also. There also seems to be a damp smell. Been using bio bizz grow, bloom and now max.
 

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I can't comment on Bio Bizz because I don't use it. It could be a serious Potassium deficiency, but more likely issue is a root problem. What medium? What root zone PH?
 
Thank you for your response. There in 15l pots of vita link with perlite? What do you mean by root zone PH? Sorry I'm new to this.
 
You will need to get a PH meter, or the liquid that changes color to tell you the PH. It is a measurement of the 'acidity' in your grow medium. Cannabis likes about PH 6.0 in non soil mixes, and 6.5 in soil. If your PH gets too far from this sweet spot, your plant can't eat properly and gets sick.

To check the PH you water as normal with some runoff out the bottom of your pot and you check the PH of the runoff.
 
I'll check that then thank you. With me being so close to the end what's the likelyhood this will still be good stuff?
They are slow drinkers also. Taking about a week o go through 2 litre. Previous they were taking about 3/4 days.
 
Don't think so as the lights haven't changed the whole time. If anything I raised them a week or so before this happened to make sure they were 50cm away.
 
Give 'em just plain water. Potassium deficiency looks like, but like you said you are close to the end. Just nurse them along and when your trichomes tell you it is time, then chop them down.
 
Shall I buy bottle water also then. Is the ph in bottle water ok? Shall I avoid using neauts right up to the end. I was hoping to be about 2-3 week away.
 
I think you are closer than 2-3 weeks. Looking at your trichomes up close, I'd say more like a week- 10 days. Post a pic without your lights on, then you can see the trichomes in real light.
If bottled water is all you have, I'm sure it's fine. Do you Ph your water?
Avoid the nutes. Just plain water will allow your plant to use up the nutes in the soil, as well as in the plant. Purpose of this is to make your smoking pleasure smoother. Nutes still in the plant make the smoke a bit harsher.
 
Is it possible that my roots are rotting? I'll take a pic tomorrow and upload.
Thank you everyone for your comments. Very much appreciated.
 
Oops I think u should look into some resurch on PH with what ever medium your growing in,it will make your harvest a lot happier it's a little to late for those but for future grows.its worth it!lol
 
Ph 6.2 with what I have been watering. I have given them a wash through today so will see how things go.
Thank you all and will update later.
 
Even if the leaves get messed up the buds will still be good as long as you make it to harvest! If you haven't been checking the pH of the water going in and out that's definitely where I would start. Incorrect pH is the most common reason to see deficiencies. If its happening most to the leaves closest to the light, it's possible they may want to be a little further away. I hope that helps!
 
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