Need to vent kiln if reusing a plaster/silica mold?

[Geo]

Hello!

I have been able to reuse some plaster/silica open face molds for low temp fired pate de verre. If I fill these already fired molds with dry frit, is there any reason to vent my kiln?

[Yardic Glassworks]

Nope, unless you are using some sort of glue or other material containing moisture.