To decrease the wastage of Reactive Dyes, its Hydrolysis must be reduced or removed
Packed tight with drying agent, and stored@cold with vacuum dessicator may help!
If your question is referring to the minimisation of hydrolysis in the dyebath, pad liquor or print paste during coloration processes, then it is a case of using conditions, e.g. temperature and pH, that are suited to the particular type of reactive group(s) on the dye. However, with commercial reactive dyes, this will still not result in complete prevention of hydrolysis. Reducing or eliminating the occurrence of hydrolysis has been the focus of much research into reactive dye chemistry during the past several decades - for some examples, see
Article The chemistry of reactive dyes and their application processes
Approaches in this work have involved exploration of novel reactive groups and fibre pretreatments amongst others.
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