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Preparation of you soil and pots is necessary if you want to make sure you have the best start for your plants. You want to be able to make sure both the pH and ppm of your starting soil is in the proper ranges. To do this, you want to do a slurry test on your starting soil:


After your measurements, pH balance the soil so that you are in the grow zone by premoistening it with water at the opposite end of your targets. Making it a habit to calibrate your meters every now and then helps too. Then add a small layer (1-2 inches) of perlite on the bottom of your pots to help prevent overwatering your plants.

Then add the premoistened soil and let the pots “brew” for a week prior to planting seeds inside. This will give your plants the optimal start for growing.



  1. I did not prep my pots correctly i def soaked the dirt and this has caused a wonky data point on starting pots. i am bringing them all closer in weight. But you can tell the difference and can understand how much this can affect plants.

    1. yup, Im glad we’ve been tracking all data, lets us standardize.

  2. A couple of questions:
    1.) After the microbes have grown, do you want to stir and turn your soil, or should we leave it as is?

    2.)Are we concerned with PPM/TDS when we’re first prepping the soil?

    3.) Does keeping seeds refrigerated increase germination rates? If so, should all seeds not in use be refrigerated until germination?

    Thanks for the knowledge. You’re changing the world for the better.

    1. no need to stir, they will grow with the roots

      2) absolutely, ppm is just to know how much is in, but pH should absolutely be balanced.

      3) Keeping seeds cold helps seeds last longer. I wouldnt put seeds in the refrigerator if its only for a couple of days, its more for long term storage until ready to use.

  3. Can the water were using to test the soil PH level be tap water? Or do I need to add a couple drops of hydrogen peroxide?

    My seed was put in a small pot after germination and now has sprouted. Do I have to wait 24 hours for the slurry test then transplant? Or am I able to do the slurry test wait a few hours and transplant to its forever pot?

    1. I was going to ask the same question! Because my slurry test is brewing now with plain tap water. In my container I mixed 1 cup of water with a few drops of H202 the night before. Then poured it out, wiped it down. Dried it, put in 1 cup of soil, and one cup of plain tap water. That was yesterday. Today I’ll be actually doing my slurry test. I guess this is better than pH balancing before mixing, because you know how your water interacts with your soil…? Lol. Best guess.

  4. Great community 😎..
    Look forward to it getting to my country and unpucker some old school assholes 🙌✌️💚💚

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