Green Planet Karbo Boost - 5 LB / 2.3 KG - Case of 4Karbo Boost is a powdered supplement that delivers an added source of carbohydrates for microbial life during the flowering stage. This encourages the rapid expansion of beneficial microbe colonies in the growth medium. Carbohydrates supply microbes with a vital source of food they need to thrive in your plants root zone. This formula uses naturally occurring carbohydrates to ensure your plants are getting an added clean source of energy to support