GROTEK - CARBO MAX - 300 GRCARBO MAX? SIMPLE ENERGY Simple sugars are a great way to impact the root zone of plants and provide the energy plants need to produce a quality harvest. Carbo Max? is based on simple sugars that provide a rapid energy source for soil organisms and plants; enhancing the metabolism of minerals to positively impact quality of the ripening fruit. Use throughout the blooming cycle with every fertilizer application nutrient change. Application Rate: 500g