For best results, use a 2700K (kelvin) CFL bulb as well as using this glass in thicker applications. This glass contains a small amount of copper, use an oxidizing flame for best results.
NS-148 Siriusly is the newest multi-chromatic color added onto the Northstar palette. As a multi-chromatic color, this glass will shift depending on light source and kelvin temperature of the light bulb. This color will present teal greens, blues, and even a bright purple!
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