Water-Soluble Fertilizer:NPK:18-18-18+TE can be 100% water soluble. Water-Soluble Fertilizer:NPK:18-18-18+TE is suitable for all types irrigation system 1. 100% water soluble2. Including many kind of micro-elements, eg. Mg,Zn,B,Mn, etc.3. Favourable to the environment4. Easy to be absorbed.