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Organic Soil Amendment Supermix Plagron · Living Soil & Root Booster

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Supermix Plagron is the ultimate all-in-one organic soil amendment designed to bring your substrate back to life. Packed with worm castings, Peruvian bat guano, and beneficial microbes, this powerful dry mix creates a thriving living soil environment. Perfect for boosting plant resistance and maximizing yields without the hassle of complex liquid feeding schedules.
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Supermix Plagron is a premium organic soil amendment that instantly transforms any basic substrate into a thriving, nutrient-rich living soil for explosive plant growth.

Picture a typical growing cycle where your plants look sad, yellowing, and stunted despite your best efforts. You are constantly mixing different liquid bottles, trying to fix deficiencies in a lifeless, depleted potting mix that just does not hold nutrients properly.

It is incredibly frustrating to spend hours measuring pH and EC, only to realize your soil is completely dead. You end up wasting expensive fertilizers because the roots cannot absorb them, leading to mediocre yields, weak stems, and a bland harvest that barely gets you a decent buzz.

Supermix Plagron steps in to completely flip the script by injecting pure life directly into your pots. By simply mixing this dry organic powerhouse into your soil, you create a self-sustaining ecosystem that feeds your plants naturally, eliminating the guesswork and setting you up for a massive, resin-heavy harvest.

What Supermix Plagron delivers to your grow

This is not just another basic fertilizer; it is a complete ecosystem in a bag. Every handful is loaded with the exact organic components your plants crave to build a massive root system and thick, sturdy branches.

  • Live fungi and bacteria: Essential microorganisms that colonize the root zone and break down nutrients.
  • Peruvian bat guano: A legendary organic source of phosphorus for explosive flowering and intense aromas.
  • Worm castings: The ultimate natural soil conditioner that improves aeration and provides a gentle nitrogen boost.
  • Vitamins and trace elements: Crucial micro-nutrients that prevent deficiencies and keep your plants vibrant and green.

How your growing routine changes from now on

Forget about playing chemist every time you need to water your plants. By amending your substrate with Supermix, you are front-loading the nutrition. Your daily routine shifts from stressful measuring and mixing to simply watering and watching your canopy explode with healthy, vigorous growth.

Your plants will become incredibly resilient. Because the beneficial microbes create a symbiotic relationship with the roots, your crop will naturally defend itself against stress, pests, and diseases. You will notice thicker stems, greener leaves, and a much faster vegetative growth rate.

Best of all, you can finally stop throwing away your old dirt. This mix is the ultimate recycling tool. You can take last run's depleted soil, mix in the recommended dose of Supermix, and bring it completely back to life, saving you a ton of money and heavy lifting.

Advantages and benefits you will notice from day one

  • Because it contains live fungi and bacteria, you can break down organic matter faster, which means your plants absorb nutrients effortlessly for explosive, stress-free growth.
  • Because it includes Peruvian bat guano, you can provide a slow-release phosphorus boost, which means you will enjoy fatter, denser, and more resinous buds during flowering.
  • Because of its premium worm castings, you can improve soil aeration and moisture retention, which means you spend less time worrying about overwatering and more time admiring healthy roots.
  • Because it has a mild NPK ratio of 1-2-0, you can feed your plants without the risk of nutrient burn, which means total peace of mind even if you are a beginner.
  • Because it is a highly concentrated dry mix, you can revitalize old, depleted substrates, which means you save serious cash by not having to buy new dirt every single run.

Tips to combine it with other Pevgrow products

To get the absolute best results, you want to pair this amendment with a high-quality base and the right environment.

  • Start with a premium Soil For Cannabis to give your roots the perfect airy texture before adding the mix.
  • If you are running massive outdoor trees or living soil beds, toss this mix into our heavy-duty 100 Liter Planters for an unstoppable root network.
  • While Supermix does a lot of the heavy lifting, supplementing with organic Cannabis fertilizers during peak bloom will take your harvest from great to legendary.

Frequently Asked Questions

How much Supermix Plagron should I use?

For standard potting soil, mix 25 to 50 liters of Supermix per 1,000 liters of soil. If you are amending an outdoor garden bed, use about 1 liter per 10 to 20 square meters.

Can I use this for autoflowering strains?

Absolutely. Autoflowers love a rich, living soil from day one. Just mix it into your final pot before planting, and it will provide a steady, gentle feed throughout their fast life cycle without burning them.

Do I still need to use liquid nutrients?

Supermix provides a massive baseline of nutrition and microbial life. While you can grow a great plant with just this and water during the vegetative stage, adding organic bloom boosters during the flowering stage will push your yields to the absolute max.

Personal Experience of Pevgrow’s CEO (Alan)

I used to throw away mountains of used soil after every harvest, which was a massive pain and a waste of money. Then I started experimenting with living soil techniques and brought Supermix Plagron into my routine. I remember taking a batch of completely dead, dry dirt from a previous run, mixing in a solid dose of this stuff, and letting it cook for a week. The transformation was insane. When I planted my next batch of cuttings, they exploded with vigor. The Peruvian guano and worm castings gave the plants a deep, vibrant green color, and the final terps were off the charts. My biggest tip? Mix it thoroughly into your substrate and water it lightly a few days before transplanting so the beneficial microbes can wake up and start working their magic. It is a total game-changer for organic growers.



  • Is the shipping discreet?

    Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.

  • Do you ship worldwide?

    Yes, we ship to almost every country in the world although you need to know the current legislation in your country to make sure that you do not break any regulations with the germination of the seeds.

    UK: 3-4 days (express)
    USA: 4-5 days (express)
    Australia: 4-5 days (express)
    Japan: 4-5 days (express)
    Canada: 4-5 days (express)
    South Africa: 4-5 days (express)
    New Zealand: 5-7 days (express)
    View all

    The customer must be informed about the laws of their country regarding seeds or other products that may be purchased on our website, the possession of which may constitute a criminal offence in the country of receipt.

    We cannot be made responsible for the wrong use that some people decide to give to the seeds, so please don't act against your national laws.

    Due to problems with customs you can check here for restrictions to certain countries.

  • What payment methods and currencies do you accept?

    We accept the following payment methods: Bank transfer, Cryptocurrencies, cash, credit and debit cards and cash on delivery (Spain, Belgium, France, Italy, Portugal).

    You can change the currency on the top right to know the price of the products in your local currency and of course pay this way.

  • How long does it take to ship my order?

    In 24/48 hours we will ship your order.

  • Are the seeds guaranteed to germinate?

    If you live in a country where the cultivation of cannabis is legal and you decide to plant the seeds, it is good that you know that all the seeds that we commercialize have germination guarantee.

    If you germinate with the method of paper napkins and you have followed all the steps that we indicate here, you will only have to return us the seeds not germinated in their original packaging and when we receive them we will proceed to the change.

    Then we take care of requesting the return to the seed bank, we do not transfer this responsibility and time to our customers.

  • What if I receive a bad or damaged product?

    If you receive a broken product due to transport, you have to notify us within 24 hours for insurance coverage, always contact us as soon as possible and we will fix the problem!

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