• Apologies if this question has been asked and answered but here goes

    My nutrient schedule indicates i should use PK 13-14 on week 5 of flower.

    Are there any visual clues i should look for in the plant that would enable me to fine tune exactly when to start using this product?

    terpking, bnr and 2 others
    10 Comments
    • tjrez (edited)

      You may be able to use a chlorophyll meter as you dial in the PPM of the PK . PK at week 5 should be roughly 700 ppm

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    • £250 – £300 for a meter.

      I was hoping the plant or the flowers would give a visual clue? Spending that on a meter is not viable.

      I don’t even use a pH pen or an EC wand.

      I monitor pH with pH fluid and borrowed an EC wand to take a measurement of my nutrient schedule.

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      • Knowing when a specific genetic is in peak bloom (when you want a PK boost) may be difficult for a new grower to tell. Are you growing from seed or clone? No one can tell you how a seed will perform so you’ll need some experience to know what to look for. If you’re growing a clone and have been told the exact flowering schedule then the person…

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      • just use grow dots and recharge u won’t have to worry about nunadat

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      • bnr

        you should be seeing a noticeable uptick in bud size and density come week five – that’s when they want more. some strains will start this a little earlier, some a little later. just keep an eye on them

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