Is thus light burn? Or something elese

  • Thread starter Ph 007
  • Start date
  • Tagged users None
Ph 007

Ph 007

903
93
My plants leaf tips have be foing yellow the last week or 2

I took my plant off calmag so not sure it something to do with calmag or if it's nutrient burn
Or light burn

It's coco, and using canna coco nutrients on 1.2 e.c, ph 5.8-6.0
2 weeks into flower

Looks a bit like light burn to me from pictures I seen online but I'm not sure also if you aren't rust 8 sprayed with calmag last week and it did that think mix was to strong I did it lights out

My lights are in pic below led
They are 55-60cm away from The plants they where running full blast at 240w, I dimmed them down to 150e yesterday don't seem any better really

20220327 000325

20220327 154525


 
jguit

jguit

Supporter
906
143
It looks more like a slight nutrient burn. What's your runoff EC? media might be getting a little buildup.
 
Ph 007

Ph 007

903
93
Not sure I been bitten feeding by hand as the are in auto pot trays, I been hand feeling because the been sick for a while so trying to nurse them better so jot put my auto feed auto pot in, I'm was about to bottom feed now, I'm just making a cupa I'll top Feed and mesure the run off in 5 mins thanks
It looks more like a slight nutrient burn. What's your runoff EC? media might be getting a little buildup.
 
Ph 007

Ph 007

903
93
Just checked 3 plants
In 1.2 oh 5.9

Out of 3 plants was
Plant 1 out 1.3 ph 5.9
Plant 2 out 0.8 ph 6.3
Plant 3 out 1.4 ph 6.3

Mire pics
20220327 162555
20220327 162558
20220327 162603
20220327 162609
20220327 154525
 
Ph 007

Ph 007

903
93
Why would you bottom feed them? That would do nothing for salt buildup. I'd take a sample of your runoff and test the EC.
I use auto pots see the feed from the bottom
20220327 163712


I have tried rhizo stands the are drain to wast system and 20 litre pots I had problems done 3 grows with them
I might try then again
I went sure how many times a day yon water them see, i tried once a day twice a day 3 times and 4 and just didn't work well for me

I'd like to use try again and 20 litre pots and water once a day as I don't want smaller pots and to be messing about with watering schedules upping the watering ad the grow just to much fucking about I want it simple as possible see
 
GNick55

GNick55

Staff
Supporter
5,280
313
I use auto pots see the feed from the bottom View attachment 1230018

I have tried rhizo stands the are drain to wast system and 20 litre pots I had problems done 3 grows with them
I might try then again
I went sure how many times a day yon water them see, i tried once a day twice a day 3 times and 4 and just didn't work well for me

I'd like to use try again and 20 litre pots and water once a day as I don't want smaller pots and to be messing about with watering schedules upping the watering ad the grow just to much fucking about I want it simple as possible see
simple/no work-promix hp, organic nutrients..
never ph or anything, just feed/water when needed.
 
Ph 007

Ph 007

903
93
Just chucked run off on all plants was about same as in 1.2e.c

I'm quite new to led so still trying to figure shit out, the manufacture say Set light 50-70cm away

The are 240w
I have them set about 55cm away
On 240w now , I'm not sure if I should raise to 70cm or stay at 55cm and din the lights down to 150w
any idea guys?

I got a photone app think I need to calibrate and set it up right as when lights whwre on full 240w it said it was 560 ppfd
This is my light
20220327 000325
 
Ph 007

Ph 007

903
93
If just left them 55cm away from the plants and dimmed them down to 150w see how they look tomorrow if they would look any better by then that is
 
GNick55

GNick55

Staff
Supporter
5,280
313
Just chucked run off on all plants was about same as in 1.2e.c

I'm quite new to led so still trying to figure shit out, the manufacture say Set light 50-70cm away

The are 240w
I have them set about 55cm away
On 240w now , I'm not sure if I should raise to 70cm or stay at 55cm and din the lights down to 150w
any idea guys?

I got a photone app think I need to calibrate and set it up right as when lights whwre on full 240w it said it was 560 ppfd
This is my light
View attachment 1230037
that’s seems close, but i don’t know my LED’s that well.. no idea about ppfd as i just watch plants to see how they are reacting..
you’ll get help soon
 
Ph 007

Ph 007

903
93
Screenshot 20220327 180435 Alibabacom

I think that my light info, I'm trying to set up my photone app , it's asks for references to calibrate it's something to so with the high and ppfd what the manufacture says I think anyway
 
Ph 007

Ph 007

903
93
Just calibrated my photone app, now my light set about 50cm away dimmed to 150w days about 560 ppfd

And light on full blast 50cm away is about 810 ppfd

Not sure the settings inuae from chart above is for my light tho, the have changed the add see different light but all the spec seems the same from what I can see ?
 
Ph 007

Ph 007

903
93
I'm also thinking could it be a iron defficcany ,
I have soft tap water with low e.c 0.2
And I have always used soft water nutrients for my clonner and in soil
But I changed to coco and now use canna coco nutrients
But
I also stopped using soft water nutrients in my clonner and they also yellow on top they never use to with software nutrients for all years of grown for but not using soft water nutrients in my clonner they yellow on top like these are in coco ,
my tap water has no calcium or magnesium in it see and I'm not been adding calmag in this grow in coco
 
Blastfact

Blastfact

345
93
Thats nutrient burn. Back down on the feeding levels and raise the light to 60cm/24" full power and let it go. Plus those are crazy sativa girls. They can rage and complain like a 13 year old human girl. There going through growing pains and raging hormones.
 

Similar threads

Vb2flat2surf
Replies
13
Views
331
Vb2flat2surf
Vb2flat2surf
Vb2flat2surf
Replies
2
Views
200
Vb2flat2surf
Vb2flat2surf
Y
Replies
28
Views
901
Yoyo2992
Y
TonyMac2020
Replies
1
Views
391
Tracyfri
Tracyfri
Ph 007
Replies
30
Views
1K
dirtyoldman
dirtyoldman
Top Bottom