If you bought the 2 part concentrated Superior Hyro Formula for $45 and since Superior Hydro is concentrated and will make 30 gallons of Superior Hydro Nutrient that is an equivalent of $45 x 30 gallons or $1,350.00 worth of hydroponic nutrients while most products on Ebay are costing from $30 to $130 per gallon of usable nutrients. Because we are positive you will get great results from Superior Hydo Products and save hundreds of dollars doing so, we offer a 100% satisfaction guarantee or your money will be refunded.Go ahead and try it! Absolutely no risk... and the result of your trust in our product will be happy veggies begging to be eaten! This Nutrient Formulation is one of the original Evolution Solution hydroponic nutrient formulations which has evolved over the years. During the growthvegetative phase, This product from Aquamedia Group delivers all the 14 essential elements your plants require PLUS a proprietary blend of EPA approved ascorbic acid, B vitamin complex, (biotin, pyridoxine, HCL, thiamine hydrochloride, thiamine) IBA, NAA, and antioxidants. Vitamins are necessary co-enzymes used by plants for growth and development. Vitamins are responsible for activating non-active proteins (apoenzyme) involved in the biochemical production of ATP (adenosine triphosphate). The production of ATP is necessary as the basic energy plants require for thriving growth.