Based on the Petras Floating Blue recipe glazy.org, adapted to materials sourced from CTM Pottery Supplies.
| Material | Ratio |
| Nepheline Syenite | 38 % |
| Flint | 16 % |
| Frit 3134 | 29 % |
| Kaolin | 14 % |
| Talc | 3 % |
| Bentonite | 2 % |
| Red Iron Oxide | 2 % |
| Rutile | 4 % |
| Cobalt Oxide | 1 % |