My local dry cleaners would not accept my (homemade) curtains because the chemicals used would destroy the blackout linings and damage their machine. Because the linings are on a separate rufflette tape I was able to rip them out so at least the curtains themselves will get cleaned. But how do I clean the linings at home? There is all sorts of advice out there when I googled the question but has anyone in real life successfully washed blackout linings? I made the linings with fabric from Dunelm but they are not answering the phone.