Nutrifield Si-Phi ISN Suitable for hobby and professional

Suitable for hobby and professional growers

In case of breakage

Mercury Content: 23–28 mg

With the FELCO 903

rust-resistant coating – Blades stay sharp longer

Nutrifield Si-Phi ISN Suitable for hobby and professionalNutrifield SiPhi is a premium plantcare biostimulant that combines potassium silicate (Si) and potassium phosphite (Phi) to strengthen your plants and boost resilience. The silicon component supports and reinforces cell walls, helping plants better withstand heat, drought, and environmental stress. The phosphite works as a metabolic stimulant (not just a nutrient source), encouraging increased stress tolerance, healthier growth, and improved vigor.