There's a running joke in my family that centers around my older sister's absolute refusal to use a cup or mug with ingrained coffee stains. Although a cup has clearly been washed thoroughly, she ...
most mugs end up with unsightly coffee stains and sometimes even lingering odors. This might be okay if I wasn't presenting these mugs to guests or using them for drinks other than coffee.
During the chilly winter months, there's nothing quite like clutching a mug of your favourite hot drink to stay cosy, but it's frustrating when your cups are marred by persistent stains.