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Lucas formula

Discussion in 'Coco Coir' started by slowergrower, Jun 21, 2019.

  1. #1 slowergrower, Jun 21, 2019
    It's my first growth with Coco.I want to try the Lucas formula,anybody still use it?The mixture I was wondering is mixing 6 ml micro, 9 ml flower 1 gallon (3.78 liters). So, do we add more water to this?
     
  2. #2 BossHawk, Jun 21, 2019
    As I understand the Lucas formula it's a ratio 1:2 micro and bloom..

    8ml micro-16ml bloom
     
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  3. #3 JoshuaE, Jun 21, 2019
    @BossHawk is right on. 1:2 ratio
    Great formula when I run out of my Canna nutes I'm going back to it.
     
    • Agree Agree x 1
  4. #4 slowergrower, Jun 21, 2019
    As far as I understand the vegetative stage is 2 ml micro bloom into 1 gallon.
    Flower stage 8ml micro 16ml bloom.
     
  5. #5 slowergrower, Jun 21, 2019
    vegetative stage 0-4-8
    flower stage 0-8-16

    Is it true?
     
  6. #6 MickFoster, Jun 22, 2019
    That's the original Lucas. The lucas formula was changed and adjusted years ago by a guy named H3ad when growing in coco. 6ml micro/9ml bloom.

    OP, you might consider just using GH MaxiBloom for your coco grow - it's simple and inexpensive and it works perfect. 7 grams per gallon of tap water is considered close to the lucas formula.

    Good luck.
     
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  7. #7 Popcorn, Jun 22, 2019
    Does anyone have a link for it or can I just punch it in to Google and find it?
     
  8. #8 JoshuaE, Jun 22, 2019
  9. #9 Popcorn, Jun 22, 2019
    • Like Like x 2
  10. #10 JXAllen, Jun 27, 2019
    Here's a good Lucas Formula link: Hydroponics using Lucas Formula
     
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