Dying leaves

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osocks

New Member
My plants were growing well until I started the flowering cycle. The leaves have now turned brown and started curling up. Could someone please identify what is happening to my plants?


I am using 300W galaxyhydro LED lights and using GUANO SUPER BLOOM as a fertiliser during flowering
 

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Beachwalker

Well-Known Member
Ah.. you got a lot of things going on there jimmy, we're going to need a lot of information like your medium, what your feeding, & how your pH'ing which I think is one of your many main issues.

From the little I can see from those pictures those plants have major damage and I'm not sure they're going to be worth continuing with? Personally I would scrap them. Conversely you could think of this as a learning experience and try to correct as much as you can now & Learn going forward. Regardless I think you need to spend a lot of time at growweedeasy.com, ilgm.com and also this Forum reading
 
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Delztronics

Delztronics

Well-Known Member
Beachwalker said:
Ah.. you got a lot of things going on there jimmy, we're going to need a lot of information like your medium, what your feeding, how your pH'ing which is I think is one of your many main issues.

I don't think I've ever said this, and I don't mean it in a bad way but if those were my plants I'd pull them down and start over, after I did a lot of reading on how to grow ganja plants
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I second this. Better to start fresh my friend.
 
3rd Monkey

3rd Monkey

Well-Known Member
hotrodharley said:
3rd Monkey - check every post about spotting and/or crispy tops or leaves. See how many posting these issues are using LED.
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I've been seeing them. I agree.

I'm tending to hate FF soil and LED lights lol.

I actually pushed a plant too close to my LED on purpose to test this out, I never believe science lol, and while I didn't get crispy, I did get bleach spotting and tacos. It was on an ornamental flower clone, so no loss, but yea... Fucks them up pretty quick and pretty bad.
 
Herb & Suds

Herb & Suds

Well-Known Member
Over fertilized and under lit , it looks like you may also have heat issues
The led's make it hard to read plants because even nitrogen deficient they stay green
 
hotrodharley

hotrodharley

Well-Known Member
Herb & Suds said:
I have been hearing you LOL
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We had to discover the hard way 2 years ago. This young guy down the road switched to LED because of electric costs. We literally have duplicate grows - Pro Mix, city water we haul (143 ppm and mostly calcium) and nutes. Within 2 weeks he’s asking me if I am experiencing calcium deficiency. I was not (using HPS).

Long story short he chased calcium issues and spotting so badly it affected his crop.

Since the LED was the only difference it was pretty easy to point out the LED. Only recently have articles come out about the problems.

Presently: he uses the LED to veg but HPS in flower and it seems to work. But he adds cal mag to every feeding. Not sure of the ratio.
 
hotrodharley

hotrodharley

Well-Known Member
3rd Monkey said:
I did quite a bit and I have a variety of different species under my LED, no signs of cal issues.

I'll check those articles out, but what I've checked out seems biased or they are trying to "sell" it to you.
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Sure a lot of experienced growers who have. What lights are you running? The problems seem most prevalent with the cheaper units.
 
3rd Monkey

3rd Monkey

Well-Known Member
First link was a chart... Nice but nothing of sustenance. The second, trying to sell me LEDs and calmag lol.
 
Herb & Suds

Herb & Suds

Well-Known Member
hotrodharley said:
We had to discover the hard way 2 years ago. This young guy down the road switched to LED because of electric costs. We literally have duplicate grows - Pro Mix, city water we haul (143 ppm and mostly calcium) and nutes. Within 2 weeks he’s asking me if I am experiencing calcium deficiency. I was not (using HPS).

Long story short he chased calcium issues and spotting so badly it affected his crop.

Since the LED was the only difference it was pretty easy to point out the LED. Only recently have articles come out about the problems.

Presently: he uses the LED to veg but HPS in flower and it seems to work. But he adds cal mag to every feeding. Not sure of the ratio.
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I am about to pull the trigger on two of these Aglex 600 watt
The guy yesterday was killing it and my only interest is saving a few bucks on my veg room
Glad I got the heads up on the cal-mag
 
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