Boro Batch
Dark Cobalt Supreme
A deeply saturated cobalt blue at the edge of saturation, shifting from distinctly cobalt toward near-black. Works like Dave's Blues but requires a bit more heat to get moving.
Outcomes
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Deep, near-black cobalt blue; richly saturated at the threshold between cobalt and pure darknessRequires a bit more heat than standard cobalt blues to get the glass moving. Working properties otherwise similar to Dave's Blues.
Working notes
- Requires slightly more heat than standard cobalt to work; don't underwork or glass may be stiff.