Emerald Harvest Micro 6 US gal/22.71 L is a part of the 3-part base nutrient series alongside Grow and Bloom. It provides plants with micronutrients. #320-023 #EmeraldHarvest #Micro #Nutrients #HydroponicNutrients #HydroponicsTown https://www.hydroponicstown.com/micro-6-us-gal-22-71-l