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Mammoth P Microbial Inoculant helps unlock unused phosphorus and micronutrients so plants produce bigger buds and flowers.

The first organically-derived microbial inoculant of its kind, Mammoth P will help your grow absorb up to 30% more phosphorus, allowing it to flourish and thrive.

Ideal for use during propagation, you’ll be able to clone foots quicker and ramp up bud growth during the flowering stage.

MAMMOTH P 120ML is available for purchase in increments of 1


How does Mammoth P Microbial Inoculant work?

Basically, Mammoth P acts like a micro bioreactor. It continually produces enzymes which release nutrients for your grow to thrive on. As a result, you won’t need any separate enzyme additives.

Safe to use in all grow media, Mammoth P Microbial Inoculant is an ideal supplement to any nutrients programme. It keeps plant internodes shorter and lets them focus all their energy on flower production.

During its development, billions of soil microbes were screened using to identify the best combination of bacteria that would work in harmony to accelerate the release of phosphorous into plant-available forms – freeing up to 30% more phosphorus.

To prevent chlorine or chloramine from inhibiting the effects of its beneficial microbes, use Ecothrive Neutralise to dechlorinate tap water.

How to use Mammoth P Microbial Inoculant

Mammoth P is pretty potent stuff. So, the exact dilution rate will vary according to your grow stage and preferred media.

We recommend adding to your normal feeding schedule at least twice a week, as the active bacteria can become less effective after 7 days.

Propagation: 0.16ml to 0.26ml for every litre

Vegetative: 0.16ml - 0.26ml for every litre

Flowering: 0.4ml / 1.06ml for every litre

Flush: 0.26ml for every litre (2.6ml per 10 litres)

The Benefits of Mammoth P Microbial Inoculant

  • THC is a proud Mammoth P UK supplier
  • Increase phosphorus & nutrient uptake
  • Enjoy a bigger yield and stem density
  • Protects from harmful pathogenic microbes
  • Suitable for use with any base nutrient
  • Almost pH neutral - no EC or CF
  • Full of beneficial bacteria
  • Great for any grow media
  • Won’t cause blockages
  • Available in 250ml, 500ml and 1L size

Serving the Midlands, South East & UK

Based in Kenilworth near Coventry, our grow shop regularly fields enquiries from customers in the Midlands and South East of England.

We operate a successful Click & Collect service - and deliver throughout the UK.

Coventry | Birmingham | Derby | Nottingham | Leicester | Wolverhampton

Milton Keynes | Bedford | Northampton | Redditch | Solihull | Kettering

Nuneaton | Leamington Spa | Rugby | Hinckley | Stratford-Upon-Avon

Additional Information

Additional Information

website 250ml

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