GH SubCulture-B, 150 gIn Store Location:@C6 GH SubCulture B, 150 g Increase plant yields and vitality with SubCulture B Bacterial Root Inoculant. For use in soil or hydroponics, this probiotic inoculum of beneficial microorganisms biologically aids in nutrient absorption. With microbes cultured to live in high salt environments, SubCulture Bs proprietary blend of fungi and bacteria colonize the root zone and media to increase root systems for healthier plants. Start with