Rhino HORN - PK 9/19Rhino Horn is a high performance PK 9 19 bloom booster engineered for the final stages of flowering. With 2. 5% ammonical nitrogen and a powerful 30% sulphur content, this concentrated complex delivers complete nutritional support when plants need it most. Essential phosphorus and potassium drive peak bud development and bulking, while sulphur enhances terpene expression for maximum aroma and flavour. The result is denser flowers, increased resin