Mammoth P

Size: 120ml
Sale price£44.99


MAMMOTH P is an organically derived microbial inoculant for growing plants that maximizes phosphorus cycling to maximize growth and increase yield.

Mammoth benefits.

University Developed

Developed by Growcentia’s founders at a leading US university using next-generation technology. Extensively tested by Colorado growers, and proven to increase plant growth by independent labs.

Beneficial Bacteria

Our beneficial bacteria act like micro bioreactors, continually producing enzymes that release phosphorus. Reduces the need for a separate enzyme additive.

More Phosphorus

Increased levels of phosphorus keep internodes shorter and focuses energy on plant growth.

Safe For All Media

Safe for use in soil, soilless, and hydroponic systems.

Protects Rhizosphere

Shields the plant rhizosphere by outcompeting potentially harmful pathogenic microbes.

Mammoth P

Fully Compatible

Mammoth P

Use as a supplement to any plant fertilizer program.


Increased Quality


Our technology has been extensively tested by growers and farmers around the world and by leading US academic institutions and is proven by these institutions and independent labs to increase growth.




How we did it


We developed Mammoth® P by screening billions of soil microorganisms to identify those that most efficiently release bound phosphorus in soil and other growing media, and make it available to plants. Using this proprietary trait selection platform ultimately resulted in a consortium of soil bacteria that are up to 30x more effective than microbial communities found in nature at releasing bound soil phosphorous for plant absorption.



Not your average microbe.

What makes MAMMOTH® Microbes different


No.1 Phosphorus cycling process
  Our development platform focuses on phosphorus cycling processes to release soil P and micronutrients from bound forms, thus improving phosphorus availability to plants.


No.2 High-throughput platform
  Our high-throughput platform allows us to select soil microorganisms at the community level in hydroponic environments – which enables these bacteria to work equally well in soil, soilless, and recirculating hydroponic systems.


No.3 Directed Phenotyping
  Our directed microbial phenotyping platform – coupled with cutting-edge high-throughput molecular techniques – is highly effective. Many competitor products use a non-directed approach by simply mixing microbes, which results in a microbial concoction of unknown provenance or functionality.





Enzyme Structure

Eliminate the need for enzyme additives.

Our bacteria act as micro-bioreactors, constantly producing a more diverse suite of enzymes that enhance phosphorus availability than the leading enzyme-specific products.















MAMMOTH® P contains microbial nutrition that occurs naturally in soil bacteria, making it extremely effective for growing plants. The beneficial bacteria in MAMMOTH® P are able to naturally cycle more phosphorus in the plant-root system.



A little MAMMOTH goes a long way


MAMMOTH® P is a highly concentrated formula available in range of volumes to fit every cultivator's needs.





One 5 Gallon bottle of MAMMOTH® P is enough to treat over 2000 plants from clone to finish, that’s over 31,000 gallons of water.





No other microbe is like a MAMMOTH® microbe. We take no short cuts. Before releasing a product, we extensively test all our products in the lab, greenhouse, and field to ensure efficacy. New products will only be released if they meet our stringent standards.




Guaranteed satisfaction



Lab tested quality control

Average Yield



Stem Strength

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