Lettuce Greens and Herbs Hydroponic Nutrients - Complete Nutrition Complete Nutrient Formulation for Greens (Herbs, Lettuce and Microgreens) - Contains all 5 macro nutrients (N,P,K,Mg, Ca) and all 6 micro nutrients perfectly balanced for these types of plants Inexpensive - Includes more than 2#'s to make 128 gallons of nutrients! Do not be fooled by high priced multi-purpose liquids or single-part solid fertilizers - you cannot mix all fertilizers into one compound without problems, which is why our system is two-part. Non Liquid - You are not paying for the handling, packaging, and shipping costs associated with a pre mixed liquid Simple to Use - You literally only need three five-gallon buckets and measuring cup. Very simple to use. Transparent - We tell you EXACTLY what our formulation is. No smoke and mirrors.