Exactly the same thing happened about two months ago and I did several maintenance washes to get it properly clean (or so I thought). Thought I'd solved the problem, but it's happened again... My washing machine is annoying me so much!
About a week ago I washed some towels and they came out with dirty, streaky, scummy marks over them.
I must have done three or four 60 or 90 degree maintenance washes in the last week using Dr Beckmann (have used both the powder and the liquid) but the washing is still coming out with scummy marks.
I've been getting between the seal and the drum and into all the little nooks and crannies in the seal with a cloth after each maintenance wash and I'm still bringing out muck.
What's going on??
I almost always use bio washing powder (very occasionally I'll use a delicates liquid for when I wash delicates/wool jumpers).
Most of my washes are done at 40 degrees or higher, although I have started to do some washes at 30 to save on energy.
I do high-temperature maintenance washes using Dr Beckmann or bicarb or soda crystals every few months (but probably not as frequently as I should).
I live in a hard water area.
Machine is three years old.
After a week of almost constantly cleaning the washing machine, I just want my clothes to come out clean 😩