“It was kind of the dirty secret at the corner of the kitchen.
“But because it washes lots of dirty stuff, it needs to be cleaned too.”
However, he said since the coronavirus pandemic and lockdowns began, cleaning washing machines regularly is “more on the agenda”.
One way bacteria can build up in washing machines is by washing on a lower temperature.
This is more environmentally friendly but it doesn’t necessarily get rid of all the bacteria.
“It’s really important that you clean your machine to do that,” Mr Moss said.
“It’s the bacteria that’s actually responsible for that musty smell you get from an unhygienic machine.