Safe alternative that really works! Use baking soda and lemon juice like you would use baking soda and vinegar pour the baking soda and the lemon juice down the drain and cover it for about minutes then, rinse with hot water for about minutes. Do you need -hour cover in case of emergencies? I’m not sure of the official name of. We've got loyal clients with great things to say about us! Follow by running hot tap water for at least to seconds. Do.