VITALINK PKVitaLink PK 13 14 contains high levels of readily available phosphorus and potassium in an ideal ratio and in an accessible form for uptake by your plants. Potassium and phosphorus give plants an extra push during their late flowering period, this speeds up the reproductive processes and redirects energy to flowers and fruit development. Phosphorus and potassium are essential macronutrients required by plants and are a key to successful and plentiful