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SKU: tribusgal

Tribus 1 Gallon is backordered and will ship as soon as it is back in stock.


A highly-concentrated, targeted blend of three growth-promoting rhizobacteria that can be used with organic or conventional growing practices to increase crop quality and quantity.

These bacteria work symbiotically with the plant by producing extracellular enzymes and other biochemicals that maximize nutrient availability and uptake, improving root and stem growth, and increasing the plant’s growth rate.

The bacteria in Tribus will populate the root zone of plants in all medias and does not cause problematic biofilm formation in hydroponic applications. Tribus Original™ has a minimum one year guaranteed shelf life.

Available in both conventional and OMRI-certified liquid formulations.


-Bacillus subtilis

-Bacillus amyloliquefaciens

-Bacillus pumilus


10,000,000,000 CFU/ml

(10 billion colony forming units per milliliter)


growth promotion


hydroponic, soilless, or soil based container growing applications; agricultural (field)

Application rates (container):

Rate: 1ml/gallon of nutrient solution

Frequency: Every watering

Application rates (field):

Rate: 1-5 L/acre

Frequency: 2-4 applications per month

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