Clean drains also reduce the likelihood of expensive repairs. After all, clogged pipes are one of the most common causes of costly home repairs. Dr. Drain is an extremely efficient drainage cleaner which melts hard blockages of hair, grease and food waste out of your sink in only 15 minutes. Dr. Drain is a simple solution to tackle multi-clogging problems such as the kitchen sink, washing basins bathtubs, bathrooms and so on.