Inserts starting hot wash and waiting til it's full enough to pause it. I usually do an overnight soak and resume in the morning. I am starting to think it's something else staining them. The marks are right at the crotch area. Maybe the Paw Paw I'm using has built up? hmmm. Will try this hot wash. They ALWAYS get sun because I positioned the clothes horse in an area specifically for that purpose. It's not damp anough here to be mould either because stuff dries overnight.

WOCB: Bonnibuns night nappy and Maz Carnival dots cover. She was practically dry when she woke up this morning so giving cloth another chance.