Or phosphates in dish detergents. Some will remember when our dishwashers stopped working well for a few years. Various consumer review sites were regularly do

Or phosphates in dish detergents. Some will remember when our dishwashers stopped working well for a few years. Various consumer review sites were regularly doing pieces on newer detergents that maybe-kinda work. We didn’t have an answer when the bans swept the country. It took a while for things to catch up. Then it was fine again.