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Help with the spots please

Discussion in 'Growing Marijuana Indoors' started by HGG3211, Dec 31, 2021.

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  1. #1 HGG3211, Dec 31, 2021
    Nor sure if i got the posted in the correct place but i need help
     

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  2. #2 Shnicken, Dec 31, 2021
    Looks to be a minor calcium deficiency, probably not due to not actually having enough calcium but just not being able to uptake what is there. I see you are using QB's which can really drive the plant hard but don't have the needed infrared for heating the leaves and soil.

    I had this same issue on my current round and per some great advice I got my pots up off the ground to raise soil temp and also backed my lights off and minimized damage from it.

    It's my understanding that QB or leds in general just don't put out enough IR light for heating. So where normally 75F is a good temp for a tent with HID lighting, for a QB tent I'd stay up closer to 80-85F and try to get those pots up off the ground.
     
  3. #3 HGG3211, Dec 31, 2021
    hey i posted this in the beginners post with more info. i thought it didnt post so i accidentally posted the pics in here.its only 2 plants. i took the small one out. it stay kinda cool. the soil isnt warm other than the heat given off from the roots doing there thing. please if u dont mind checking out the other post with all the details id appreciate the feedback
     
  4. #4 Shnicken, Jan 1, 2022
    I checked out the other thread and I'm still thinking the same. I saw you were growing in MG soil, have you added anything extra to the soil? Are you feeding bottled nutrients?

    I have run into this problem with QB style lights a couple times now and it's almost always an uptake issue and not a lack of calcium in the soil mix. I would still try to raise your pot off the ground and back the lights off a bit. It won't fix any damage that has been done but it should slow/stop the progression.
     
  5. #5 HGG3211, Jan 1, 2022
    no i havent added anything extra. i found out after i transplanted to the bag i should have had perlite and something else in it. i got her off the ground. yeah FF nutes. the normal 3piece combo. grow big tiger bloom and cant remember name of other one. when u say back off the light does that mean to raise it up more, or to dim the intensity down some?
     
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  6. #6 Shnicken, Jan 1, 2022
    You could raise it or dim it, both achieve the same thing by lessening the light intensity. Not sure how well the FF trio's set for calcium, but you may need to add in some more calcium to your nutrients. I'm sure someone will have more info then myself in regards to the nutrients and calmag, I grow organic no-till so I'm not very knowledgeable when it comes to bottle feeding and Ph balancing and such.
     
  7. #7 HGG3211, Jan 1, 2022
    soooooo i found out what my mistake was and i think i might have fucked up even more. it was light burn. i didnt know i wasnt supposed to spray while the light was on. i never had the problem before cause i had 2 plants prior to this happening. i had the light farther away the last times i sprayed the water bottle on the leaves. the water didnt magnify as bad. the day i sprayed i put the light right around 14in above if that directly cent where im having the issue. thinking it was nute def as well, i lowered the soil ph with some vinegar water and added the nute mix thinking the tap water did it with a cal block. did i fuck up more?
    PS i lifted the light cut the bad leaves and got the bag off the ground.
     

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