Miicrobial (Microbial) Mass Pro Size:500 mL Suitable for every substrate

Suitable for every substrate

Grow-Cubes are small 1/4” cubes of rockwool

Rated to 28 lbs per strand

and much more

Miicrobial (Microbial) Mass Pro Size:500 mL Suitable for every substrateMIICROBIAL 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. Application: SHAKE WELL BEFORE USE. One application to the grow media every two