1 100% water soluble 2 Scientfic Formula,Full Nutrition 3 Free of Hormore,safe for Usage 4 Abosorb quickly Water-Soluble Fertilizer:NPK:18-18-18+TE is suitable for all types irrigation system1. 100% water soluble2. Including many kind of micro-elements, eg. Mg,Zn,B,Mn, etc.3. Favourable to the environment4. Easy to be absorbed. Water-Soluble Fertilizer NPK18-18-18+TE