sangral 20-20-20+TE Crystalline Fertilizer. The Sangral 20-20-20+TE is a complete water-soluble fertilizer in the form of crystalline powder. Contains Nitrogen, Phosphorus and Potassium in a ratio of 1: 1: 3 and Trace Elements. It is one of the most popular NPK formulas because it’s multipurpose use during the season. Also during periods of stress, this high concentration formula provides a complete nutrition for plants. The systematic application of Sangral Sangral 20-20-20+TE supplies the plants with the required quantities of nutrients, resulting in higher crop yields and better quality of the product.