> Possibly ideally with some washing machine cleaner though I don't use that often. For the record, those cleaners are usually pure sodium percarbonate (commer

> Possibly ideally with some washing machine cleaner though I don't use that often. For the record, those cleaners are usually pure sodium percarbonate (commercially sold as Oxiclean/Napisan). When combined with a hot cyle (60 degrees Celsius or higher) it does a good job sterilising your washing machine.