As a kalla, I learnt that during the
shivah nekiim, it is proper to use white bed linen.
Is this halacha, or is there room to move on this "rule"?
(We are moving apartments, where the bed sizes are different, and we would need to buy new linen. The question has also arisen when we are guests in other people's homes, and the beds are not made with white sheets.)
For what it's worth, I always wear white pyjamas during the shivah nekiim, so it would be technically impossible to spot on a bed-sheet without also staining my pyjamas. Using non-white linen would thus not be a means to avoid due stringency.
Many thanks for a great site. It is enormously helpful.