water crystal,crystal beads,hydropearl 1.non-toxic,ororless 2.color never fade ... MSDS, EN71PART 3 Reports available Features and Function: water crystal,crystal beads,hydropearl1) Crystal Soil is a new type of green environmental material ... , It is not natural Mud, it is Crystal Mud rich in nitrogen, phosphorus, potassium and others. 2) can ...