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Mammoth P
  • Mammoth P
Mammoth P

Mammoth P – Organic Microbial Inoculant for Massive Yields

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Mammoth P is the secret weapon for growers looking to break yield records without changing their entire feeding chart. Developed by microbiologists, this organic inoculant unlocks phosphorus and micronutrients that your plants typically can't access on their own. Compatible with soil, coco, and hydroponics, it guarantees stronger roots and denser buds. Don't just grow, evolve with the best microbes on the market.
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Mammoth P is the advanced microbial biostimulant designed to unlock the full potential of your crop, transforming unavailable nutrients into absorbable energy to increase your harvest by up to 16%.

Why your plants aren't eating everything you give them?

You spend a fortune on premium cannabis fertilizers, measure the pH down to the millimeter, and pamper your girls, but sometimes you feel like they hit a ceiling. You know there's more potential in those genetics, but you can't seem to squeeze it out. It's like serving a banquet to someone who has their mouth sewn shut; the food is there, but they can't eat it.

It is incredibly frustrating to see nutrient deficiencies or slower growth than expected when you know the soil is loaded with food. That phosphorus locked in the substrate is money thrown away and potential buds that will never form. The worst part is that adding more fertilizer often only causes blockage or toxicity, worsening the problem and stressing your plants right when they need to be exploding.

Mammoth P is the biological key that opens that pantry. Developed by microbiologists from Colorado State University, this cocktail of beneficial bacteria works specifically to release phosphorus and micronutrients that are already in your medium but chemically bound. It doesn't replace your nutrients; it makes them effective, ensuring your plants eat like champions and produce the heaviest flowers you've ever seen.

If you're just starting out: how this product helps you

When you're new to this world, root health is your best insurance policy. Mammoth P acts as a guardian for your root zone, creating a robust ecosystem that protects your plants from stress. You don't need to understand complex chemistry; you just need to add a few milliliters to your water, and the microbes do the hard work for you.

  • Foolproof application: It has a near-neutral pH, so it won't mess up your water stability.
  • Compatible with everything: Whether you use soil, coco, or Hydroponic and Aeroponic Systems, it works without clogging pipes.
  • Visible results: You will notice greener leaves and stronger stems in a matter of days.
  • Prevents lockout: Helps prevent nutrient blockages common in beginner crops.

If you already have experience: why it deserves a place in your kit

For the veteran grower, Mammoth P is the tool that allows you to push EC levels and maximize genetic expression. We are talking about specific bacterial strains (like Pseudomonas putida) selected for their ability to cycle phosphorus. This means you can get shorter internodes and much denser flower formation without changing your base nutrient line.

  • Scientifically proven yield increase: Field tests show an average increase of 16% in dry weight.
  • Maximize P-K boosters: It makes your flowering boosters significantly more effective.
  • Enzymatic activity: Increases the bioavailability of micronutrients essential for terpene production.
  • Versatility: Works perfectly in recirculating systems (DWC, RDWC) without creating biofilm sludge.

Advantages and benefits for any level

  • OMRI Listed: 100% organic certification, safe for you and the planet.
  • Phosphorus Unlocking: Converts insoluble phosphorus into a form the plant can drink immediately.
  • Root Expansion: Stimulates the growth of secondary roots and root hairs.
  • Stress Resistance: Plants with active microbial life withstand drought and transplanting better.
  • Super Concentrated: You only need 0.16 ml per liter, making a small bottle last for ages.
  • Universal Compatibility: You can use it with any brand of fertilizer, mineral or organic.

Typical mistakes this product helps you avoid

Even the best growers make mistakes, but Mammoth P helps buffer them. However, to get the most out of it, avoid these common errors:

  • Thinking it's a fertilizer: Mistake. It is an inoculant. It doesn't add NPK, it helps the plant process the NPK that is already there.
  • Using chlorinated water: Chlorine kills bacteria. Always let tap water sit or use a filter before mixing Mammoth P.
  • Mixing with hydrogen peroxide (H2O2): Never use peroxide or aggressive sterilizers together with Mammoth P, or you will kill the colony you just bought.
  • Overdosing thinking more is better: The microbes reproduce on their own; follow the dose of 0.16 ml/L, it is more than enough.

Frequently Asked Questions

When should I start using Mammoth P?

You can and should use it from the first week of rooting (clones or seedlings) until the final flush week. Establishing the colony early ensures vigorous vegetative growth.

Is it compatible with mineral fertilizers?

Absolutely. In fact, it helps mineral salts not to crystallize and accumulate in the substrate, reducing the risk of "salt buildup" in the roots.

Does it affect the flavor of the final product?

Yes, but for the better. By improving the absorption of micronutrients and phosphorus, the plant can produce more terpenes and flavonoids, resulting in a more aromatic and potent crop.

How long does the mixture last in the tank?

In hydroponic systems, it remains stable for up to 7-10 days. In manual irrigation, it is recommended to prepare it and use it within 24-48 hours to ensure maximum bacterial viability.

Personal Experience of Pevgrow’s CEO (Alan)

I'll be honest with you: when I first saw Mammoth P, I thought it was just another "magic bottle" with a high price tag. But after testing it on a side-by-side crop with the same clones, the difference was undeniable. The side with Mammoth P didn't just yield more weight; the buds were harder, like stones.

If you are starting out, I recommend it because it forgives many errors in fertilization. If you mess up the pH a bit or go overboard with food, these microbes act as a buffer. And if you are a pro, this is the easiest way to increase your gram/watt ratio without complicating your life with complex pruning or CO2. It's expensive, yes, but the return on investment with that extra 16% yield pays for the bottle in the first harvest.



  • 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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