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Description
The glowing FluoroSphere is based on fluorescence (the property of absorbing light of short wavelength and emitting light of longer wavelength).As the FluoroGel dissolves into water it absorbs blue light from the light base and emits a bright yellow-green and/or red light.4-inch round ultraviolet LED (UV) light base with USB power cable, 6-inch glass orb with silicone stopper and flat bottom.2 x 9ml ml Red and Green FluoroGel (Fluorescein concentrate in Mineral Oil).Enough FluoroGel for 20 to 30 uses. Use again and again.