A method for refining a glass melt

A method for refining a glass melt of a glass-ceramic green glass comprising the steps of: - providing a glass batch on the basis of a lithium aluminum silicate (LAS) -Glassystems with a sole addition of tin oxide as a refining agent with a content of 50.4 wt .-%, dispensing of arsenic and / or antimony oxide as a refining agent, - laying the melting tank in terms of minimum residence time of the glass to be refined and medium-sized glass transition temperature according to the formula: t with T = - melting of the batch and refining the melt at temperatures <1700 ° C, dispensing with additional special high-temperature Lauteraggregate.