This will be useful someday i never knew the pepsi method, will have to try that out if and when my drain gets clogged in the future! We are pleased to announce we have been named a recipient of the . Pop (you might call it soda), particularly coca-cola and pepsi, is excellent for beating a clog it's arguably better than commercial chemical clog remover! Find out about schools, colleges and adult education classes. Q how much will a replacement boiler cost? Plumbing & heating.