This Experiment #32 was produced in house at the Northstar facility, therefore it is a slightly different formula than the original Experimental #32 CFL Reactive that was a collaboration with Gaffer Glass. In result, these rods contain minimal air content with a light CFL reaction, although a bright UV reaction. This glass is a champagne yellow with a pink CFL shift as well as a pink UV reaction. This glass contains minimal air lines that create small air bubbles when worked. Limited quantity available.