Most homeowners don't think about their plumbing very often. As long as the water is flowing freely down the drain, it is not a concern. When the drains become clogged, however, problems can arise. When many homeowners have clogged drains, before they contact a plumber, they will use a liquid drain cleaner. These products claim to clear the drains safely and quickly, with no need to call a plumber. What many homeowners don't know, is that liquid drain cleaners can be very harmful. Click through to learn why you shouldn't use drain cleaners. Read more »