Profile: Aquablue is a manufacturer, supplier & exporter of Silica gel products. Our products includes Silica Gel, Silica Gel Blue, Silica Gel Orange, and Chromatography Silica Gel for concerned industries. Silica Gel Blue is semi-transparent glassy crystals used for moisture absorbent. It appears dark blue in color. In other words, it is known as self indicating Silica gel because it gives indication of color from blue to pink during its moisture absorption. However, reason behind this color changing phenomena use of cobalt chloride but use of it banned in some countries. Compared to white Silica gel only difference between both is only indication.