This professional-grade granular fertiliser strengthens turf and enhances colour to prepare your lawn for the British winter. High potassium and iron content ensure your grass remains stress-resilient and healthy during the colder months. Key Features: High potassium and iron levels to toughen grass against frost and disease. Mini-granule formulation (1-2.5mm) ensures even distribution and rapid soil penetration. Professional-grade 6-5-10 6Fe NPK ratio for balanced seasonal nutrition. Bulk 20kg trade-pack size provides exceptional value for large landscapes.