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Thread: Looking for some EC Chart advice :confused:

  1. #1

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    Default Looking for some EC Chart advice :confused:

    I just purchased a BlueLabs EC truncheon & I am looking for advice on what is the correct EC levels for growing in coco coir. I have been following the chart attached below but there are a lot of charts available online but some of them vary a lot.

    Any advice for growers with EC experience would be much appreciated. Here is my current set-up..........


    - AutoPot system
    - Grow Medium: Cyco Coco Coir
    - Nuts....... Advanced Nutrients
    - Lights: Optic Slim 600H
    - Indoor grow tent 4ft x 4ft

    Click image for larger version. 

Name:	EC Table (Royal Queen Seeds).jpg 
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    Last edited by Leon727272; 10-02-21 at 12:10 AM.

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  3. #2

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    Throw that in the bin mate... all plants are different & have different needs (unless you grow clones)
    It's Not What You Know, It's What You Can Prove

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  5. #3

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    the chart you listed isnt a million miles out.
    most of them feed way too heavy, which simply isnt required.
    i would stick with the chart recommendations up to week 3 of bloom, but i wouldnt be going above 1.6, its just not needed, keep it at 1.6 till the last fortnight the ramp it back down to 1.4 then 1.2 , then 1.0 for last week.

    most of those charts are designed to sell nutrients, its a much better idea learning to read your plants, as their requirements are very different. a landrace sative will burn with barely any feed where some heavy feeding afghan iindica will lap it up.

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  7. #4

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    measure your waters EC. That is your base EC

    For seeds/seedlings add 0.1 EC of nutrient to your base

    From there watch the plant. If it starts to lighten up increase to base EC + 0.2 EC of nutrients

    from there watch the plants if it lightens up still increase nutrient EC 0.1 at a time until it doesnt lighten up.

    If your plant is dark green or showing signs of burn (yellow leaf tips, clawed downwards etc,) decrease your nutrient EC by 0.1 and watch


    The time spent looking at your EC chart would be better spent looking at your plant.

    No chart will give you more/better info than your plant.
    Last edited by Mac; 10-02-21 at 09:16 AM.

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  9. #5

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    Thanks..... appreciate the advice.......makes sense

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