KIS Organics

Miicrobial Mass Pro

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SPECIAL BUNDLE - small nutrient pack + fungal compost (1/2 gallon) + Black Owl Biochar (1/2 gallon) + Miicrobial Mass (125 ml) - AVAILABLE HERE

MIICROBIAL MASS PRO is a plant amendment product comprised of several unique species of beneficial bacteria shown to promote plant vigor, increase plant biomass, and enhance microbial life in and around the root zone.  MIICROBIAL MASS PRO offers the same great benefits as the original formulation, but with a higher concentration per volume appropriate for larger gardens.

For use in any growing program

  • MIICROBIAL MASS Pro serves as a valuable addition to any cultivation system
  • Effective in any growing media and in any conventional or organic nutrient program
  • Compatible with soil, supersoil, rock wool, coco coir, expanded clay pellets, deep water culture, and other hydroponic systems
  • Certified organic by Ecocert Canada
  • CFIA registered and Health Canada approved



One application to the grow media every two weeks. Best used within 24 hours of mixing. Read the label before use.

125ml - makes up to 500L

250ml - makes up to 1,000L

500ml - makes up to 2,000L

1L - makes up to 4,000L


Weight: 30kg

Dimensions: 6 x 9 16cm


Miicrobial Mass Calculator

Miicrobial Mass Mode of Action

Miicrobial Mass Feeding Schedules

Miicrobial Mass FAQs

Cannabis Cultivation & Science Podcast – Episode 114: Microbial Ecology in Cannabis with Dr. Colin Bell


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