Calcium Magnesium Supplement Question

Discussion in 'Coco Coir' started by bossie, Jun 18, 2013.

  1. #1 bossie, Jun 18, 2013
    Last edited by a moderator: Jun 18, 2013
    Hey fellow growers

    My set up is as follows veg tent 2 square meters
    Light 4 cfc of 120 watts each 6500k and 4 of cfc 80 watts 2400k with full aircon temp is constant at 25 degrees and humidity is constant at 65%
    Medium is 50/50 coco perlite
    Containers 10 lt hempy bucket
    Water is ph at 6 and ppm of 90 run off is ph 6,2

    Flower tent 1
    3 square meters
    600 watt hps
    600 watt mh
    Temp and humidity is 25 degrees and 35%

    Flower tent 2
    1 square meter 600 watt hps and 200 watt cfc 6500k

    My plants are showing the early stages of calcium magnesium deficancy where I live I cannot source calmag can I use calcium magnesium nitrate as a replacement for calmag it would take at least two weeks to get to me by courier the joys of living in the arse end of the world

    Thanks in advance for all help and advise

    Nearly forgot I'm using gh flora nutes


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  2. I know molasses and epsom salt will both work I use unsulfered molasses from the grocery store at 1 tbsp per gal
     
  3. Thanks a lot will give it a try I will try to load a pic of the affected

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  4. Microwave some egg shells, until they're dry and clean, then grind them to a fine fine powder and mix into your coco (like grandma used to do with her rose bushes!), for a bit of calcium, and dissolve a bit of epsom salt into water and use as a foliar spray for some mag. 
     
    I would still order the calmag.
     
    Note you may wish to consider using GH Maxi bloom.  It's a complete  nutrient.  It's deceptively inexpensive, and has more calcium in it than a lot of  supplements! 
     
    Additionally, mix fresh nutes daily, and drain to waste  to help prevent the problem from getting worse, too quickly.  This should help buy you time. 
     
  5. try amending your coco with calcium sulfate (gypsum)...
     
    It does not react to chemical fertilizer like dolomite (dolomites eleveated metals levels react to chemicals causing plant stress)
     
    I would compost the egg shells, not owning a microwave
     
  6. That calcium magnesium nitrate should work. That's all calmag is, with a little iron thrown in also.
     
  7. Hi All

    Thanks for everyone's input the help is much appreciated everything now looks 100% better I will post some pictures in a new link today please let me know your thoughts

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  8. Which method did you go with? calmag or did you go the egg shell route?
     
  9. Hey there I went with calmag and Epsom salts what I do is add 100ppm calmag to every feed untill late bloom then I stop and once a week I add Epson salts at two tea spoon per 10LT untill harvest dunno if its right but it works for me
     
  10. Thanks for clarifying. I'm sure others will find it helpful. 
     

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