Agua Azul, 446 is hailed by many as the best boro colour ever. It looks great on its own, compliments or contrasts nearly all colours in the Glass Alchemy palette, and works great in encasement applications. These features and many more have allowed Agua Azul, 446 to become one of the finest opaques in the borosilicate world.
Working Tip: Work this colour in a neutral flame. Garage at 975° F, Anneal at 1050° F.