Fundamentals.., the new leader in nutrient technology has emerged! World class nutrients are only a click away from you! Fundamentals Serenity is not only extracted from the highest quality ingredients anywhere – it’s truly an additive that you can’t go without! Serenity was developed as a sweetener, enhancer and microbial feed; all in one! Enhance vegetation, increase flavor, and unleash the scent with Fundamental’s Serenity. Serenity can and should be used during the entire growth cycle for optimum results.