Essential Plus 1-0-1 Essential Plus is a 100% natural soil amendment derived from potassium hydroxide, organic proteins, sugars and a natural wetting agent. A colloidal liquid solution that provides a rich source of organic building blocks not found in typical nitrogen-phosphorus-potassium (NPK) fertilizers. Essential Plus contains humic acid to replenish soils that have been depleted of organic matter, helps alleviate soil compaction, and provides a food source for beneficial soil microorganisms. It is compatible with most other fertilizers and products and requires no special handling. 30gal drum 275gal Tote Available. Please call for pricing