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Light Burn? Nute Burn? What is this (PICS)?

MacAztek

Member
Temps: 74-78 degrees
RH: 35-50% (Can't raise any more)
PPM: 500-600
Grow Medium: Hydroton
Week: 5
Strain: DP Power Plant
Nutrients: House & Garden (Organic, Hydroponic)
pH: 5.8-6

Lights: 3x600W (total of 6) MH Bulbs above each row (lights not pictured). They are roughly 3 ft. from plants (air cooled reflectors).

Trying to figure out what this is. I am using H&G nutrients and following the instructions exactly. PPMs are currently close to 600. pH is stable.

What is this? Too much light? Deficiency? Thanks.
 

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MacAztek

Member
Also, only a FEW plants have this (about 4 total). They are mainly the plants in the middle of the rows, under the most light. If that helps...
 
C

CMoon

plants recieving the most illumination require slightly more nutes, from the pics id say that this is the most likley defficency......ime you can boost these if there in large cubes with handwatered nutes or move them to the outer light signiture

bests cmoon
 

Weedhound

Grower
ICMag Donor
Have I mentioned that I dislike dutch passions Power Plant and anything to do with it? I thought I was the only one that it did this to.......I've discovered PP to be GREAT in my mixes but hate the plant itself.

Keep your ph in check to the NTH degree; use good root product (right now I'm using Zone and Cannazym); then pray for someone with good soil experience to stop by and give you better help than I, but quite frankly I quit growing it becauase it was so damn fussy and seemed to get root issues if iti's enviroment were not PERFECT 24/7. What a prima donna!! I'm growing some PP mixes now that I LOVE....but the straight Dutch Passion PP and me are enemies.
 

grapeman

Active member
Veteran
Add Cal Mag for sure. If not all plants are showing these symptoms and you are growing from seed, IMO these few plants have poor genetics and should be weeded out anyway.

Daddio
 

thc43

Active member
Veteran
what ever it is it seems to be correcting its self.

Did you start off with plain water or tap maby for the first week before adding nutes? To me it looks like there was limited food/ shit in tap water at first now looking better because there is something to eat.

my 2c

i get simular lower leaf stains with canna nute too when swapping from rhizotonic water only during cloning but always get better once they get some canna coco a/b 1.6 into them.
 

SpasticGramps

Don't Drone Me, Bro!
ICMag Donor
Veteran
Do you run Ozone. If you get too much of it it will burn the plants and look like a spotted Mg def.? Just another suggestion.
 

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