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Mammoth is a Colorado based company that delivers unique fertilizer to the market. Mammonth P was designed by Growcentia’s founders at Colorado State University using next-generation technology.

The company aim to use only healthiest and productive materials and minimize impacts on our environment by developing and producing natural easy-to-use plant growth stimulants.

The product contains organic bacteria that act as micro-bioreactors producing a more diverse suite of enzymes that enhance nutrient availability than the leading enzyme-specific products. Mammonth P is ideal for any growing medium and can be used with any nutrients as a supplement.

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Awards Show All Diaries (864)

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Latest reviews Show All reviews (264)

Plants seem to love it!

17 hours ago

Can’t tell if it works or not, but plants are ok!

3 days ago

Expensive but worth it

5 days ago

I have a boner constantly knowing I'm using mammoth P

Truly a wonderful product highly recommended.

[This stuff saved my marriage]

2 weeks ago

Grow Questions Show all Grow Questions (164)

Latest comments

airplane
airplane

"tylergrows907" were for free samples ? (Mammoth) Hey !! look at "soil Balance.com" new product just like Mammoth can get a sample of for $10.00

SommerVirelli
SommerVirelli

Won’t grow without it. Recently started using cuz my hydro shop just started carrying it. With just the last grow I noticed a difference.

thefrozenpineapple
thefrozenpineapple

Got a free sample! Can't wait to try it