... as light yellow.It has strong capacity of purification of water, wide application, a wide application in PH rang of 5 ... as As, Pb, Hg, ect. At the low temperature of water, it can still keep the stable sedimentation effects; lower corrosiveness ... applied for treating the drinking water, industrial waste water and daily sewage etc.Storage & Transportation:Stored in dry, cool , airiness place, far away ...