Si-Phi 250ml Silicate & Potassium Phosphite Additive - Nutrifield A silicate and phosphite additive formulated to strengthen plants and improve resilience throughout the entire grow cycle. Supports structural integrity, stress tolerance, and overall plant performance. Si-Phi 250ml Silicate & Potassium Phosphite Additive - Nutrifield Blend of potassium silicate and potassium phosphite Strengthens cell walls for improved plant structure Enhances tolerance to heat and drought stress Phosphite-based biostimulant to support plant metabolism Promotes resilience, healthy growth, and improved yield potential Suitable for use throughout the full growth cycle Ideal for horticultural and agricultural applications Premium quality Quick Australia-Wide Shipping Trusted by off-grid enthusiasts across Australia Package Contents: 1x Nutrifield Si-Phi - 250ml bottle