Drain Maintenance to Prevent Clogs: Check and Clean Tub or Shower Drain Daily Once a month, clean your shower and tub drains to remove any hair, biofilm, soap scum, or other debris that could enter the drains. You can use a handy device found at most hardware stores—a long plastic tool with jagged teeth or edges. Then, pour a tablespoon of salt into your shower, sink, or tub drains and add about a quarter cup of plain vinegar. Flush the drain with hot water after an hour. Flush Your Garbage Disposal With Cold Water Do not use hot water to flush out your garbage disposal. Hot water breaks down ..read more