DIRTY is formulated for soil and peat based growing mediums. DIRTY is a carbon balanced , nitrate infused base nutrient for all phases of plant growth. Rich in select amino acids, and refined organic materials, PH ready for Peat Moss and Soil. Built-in alkalinity and Cation exchange enhancers make it easy to use with premixed media products like Promix, Sunshine and Light Warrior. USE WITH +LIFE and SHINE for optimum results. NOTE: This product contains organic ingredients, therefore may result in undissolved sediment and biofilm. For a completely soluble formula, see RO/SOFT and TAP/HARD