calling all Docs

Discussion in 'Sick Plants and Problems' started by SnowBuds, Nov 20, 2011.

  1. What type of medium; soil or hydro? coco
    What brand and type of soil? coco tek
    Indoors or outdoors? indoor
    What strain? wildberry
    How old are the plants? almost 3 weeks into flowering
    What type of lights and how many watts? hps 1000
    How far from the lights? 20 in
    What is your watering frequency and source of water? every mon, thurs RO water
    What, how much and when was it fed? NPK? AN 2 part Sensi Bloom a and b
    What is the medium/runoff pH and PPM if in hydro? 5.8 no ppm meter
    What are the temps and humidity in the room? 70-80 degrees 45-50%
    What size pots? roughtly 1.5 gal
    Any bugs? Look real close. fungus gnats. Somewhat contained but still prevalent
    Any other pertinent info?

    All lady's started to yellow a few days ago and roughly 2 days ago "v" shaping in the leaves has started. All help is appreciated! Thanks guys. :cool:

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  2. They are showing signs of a magnesium def. Cal-mag will fix it.
     
  3. good deal thats what i was thinking it was? bottle has a light (1 tsp) and accelerated (2 tsp) feeding should i just use the light feeding of 1 tsp per gallon with the regular watering?
     
  4. cal/mag is the major issue with coco. There are coco specific nutrients that deal with cal/mag issues. If your using ro water you probably need to supplement weather in soil or, coco with cal/mag.
    The yellowing of the lower leaves may be normal at your stage of flowering...
    Always best to give less every other watering than more and see how the plants adapt...
     
  5. I use the 1TSP/gallon dose every water AND feeding. I've tried 2TSP/gallon every feeding only, but found I prefer a smaller dose more often.

    You're using RO water, and I know it's bee said a thousand times, but with RO water you need to add Ca and Mg, whether that be from molasses, epsom salts/egg shells, or cal mag.
     
  6. good deal started adding the cal mag tonight. These lady's showed no signs of the def. during veg so I never thought to add it, but I'm assuming I should due to using coco and RO water?
     
  7. Yeah, it's unfortunate, but you should. I did the same thing and didn't add anything to my RO water. It wasn't until I decided to try it I realized my plants were deficient, they were stubborn and didn't want to show it clearly.
     
  8. thanks for the help seven greatly appreciate it
     
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