Mixing potting mix, perlite, coco, worm castings

Discussion in 'Growing Marijuana Indoors' started by dave_jam, Mar 8, 2017.

  1. anyone know the right ratio for:

    Potting mix
    Perlite
    Coco
    Worm castings
    ?
    (I also have some seed starter mix if that would be beneficial?)

    I know the potting mix to perlite is about 70/30 but idk how much coco and castings to put into it...

    Thx in advance.

    Btw I'll be mixing some for an auto and some for a photoperiod strain if that matters..
     
  2. 20% approximately of the castings works well, let it sit overnight for better results, and don't forget to calmag your coco!

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  3. I wouldn’t be mixing soil and coco together!! Both of those growing mediums require different PH for your nutrients so you will be doing your self a mischief if you do it...


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  4. Oh I missed that he was talking about potting mix, yeah just do the castings perlite and coco-if you're really inclined you can use some compost as well as a buffer but not necessary. Worm castings does some of that.

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