Cal/Mag Issue, Possible Nute burn, Maybe Both or Other Need help Trouble shooting

Discussion in 'Sick Plants and Problems' started by Kittie_Verde, May 21, 2015.

  1. Ok here is the info on my grow first... I'll follow up with my concerns and pics.
     
    What type of medium; soil or hydro?
    Soil less Mix Coco and Perlite ( 60/40)
    Indoors or outdoors?
    Indoors in DIY Grow Cab
    What strain?
    Sugar Black Rose ( Auto) New York City (Auto)
    How old are the plants?
    32 days  (they're in that I look like i'm starting to flower but I'm still vegging stage)
    What type of lights and how many watts?
    300 watt led light (170 true wattage)
    How far from the lights?
    8 inches maybe? Pretty close
    What is your watering frequency and source of water?
    Every 3 days.. just switched to feed water water
    What, how much and when was it fed? NPK?
    Advanced Nutrients half Strength and recently added cal/mag due to leaf coloration ( I'll discuss amount below)
    What is the medium/runoff pH and PPM if in hydro?
    Both are at 5.8/5.7 - 2 weeks ago they were all too high (6.3-6.5) so I flushed them. PPM runoff currently Under 700 for Sugar Black rose and 500 for New York City this was after a water with cal/mag feeding. The next watering will just be water then afterwards a full feeding (half strength) of nutes.
    What are the temps and humidity in the room?
    Temps range from 77 to 83 I do have a diy CO2 set up. Humidity Ranges from 40% to 49%
    What size pots?
    1 gallon smart pots 
    Any bugs? Look real close.
    No bugs... I don't like bugs
    Any other pertinent info?
    i'm a complete newb, I think I may have taken in too much info and have confused myself
     
    Ok .... so not to be too confusing I'll bullet point this out.
     
    -2 weeks ago plants had slight issues with leaf coloring. After checking ph and ppm in water I realized I had a build up that was causing issues with the plants. I flushed until correct ph was reached and ppm was lowered. 
     
    - after this I was light on feeding. I noticed the bottom leaves turning yellow... I originally thought oh from the bottom up thats cal/mag issue... so I got some cal mag.
     
    -instantly over did it noticed some slight claw hands on my auto new york ( cal/mag comes with nitrogen) I did use the recommended amount (5ml to one gallon) 
     
    - I am checking my ph and ppm and everything is in check now. But the yellowing isn't stopping I'm starting to notice it on other leaves. I do still see the nute burn. But I feel I am addressing that problem.
     
    - I have been reading that Autos/ cannabis will cannibalize the lower leaves for additional nitrogen and other needed resources for the new growth. I am in my 5 week and this is when my auto is going to have that burst of growth... but if it's stealing from the leaves below why the nute burn? wouldn't it use it all up? I'm at a loss, looks like a deficiency with slight nuteburn... 
     
    - I will also note it's been about a week since i've correct the previous issues so maybe I'm just not being patient. I've attached pics please help!
     
     
    PPS...I've also been LST'ing them

     

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