What is Super absorbent polymer? Why we use it? ! Special polymer with strong water absorbent ability. Hold water in soil. ! Improves seed germination and emergence to give plants an early, health start. ! Reduce irrigation times, save water and hold water in roots of crops, fruits and vegetables, forest. SAP Super absorbent polymer, it is named Solid rain in many countries and areas, it is potassium based, non-toxic polymer that has the capacity of absorbing upto 300—500times of its size in water. When applied to the roots of any plant life, it allows you to save from 65%--95% of water used. Its application is simple yet effective. It was invented to help grow agriculture in extreme weather, whether too hot, too arid, etc. It helps with: drought, desertification, poor soil quality, and fertilization. Instead of daily watering, SAP allows you to only water once a week, saving you time, money, and water. Super Absorbent Polymer, with excellent property of water absorption, it is a very useful green and environment-friendly product for agriculture and horticulture field. It can be used for farm and forestry, saving water for farm and garden and improving trees' surviving ratio, used for sand, can help the plant absorb water.