This Insect Frass is the castings of black soldier fly larvae. Insect Frass is a consistent and potent bio-fertiliser, rich in organic nutrients, plant available chitin for plant pest resistance and beneficial biology. Benefits: Slow release nitrogen for longer season crops. Improves organic fertilizer effectiveness as well as N and P availability due to a low C/N ratio. Increases plant biomass resulting in heavier and healthier fruits. Promotes soil microorganisms.