The answer to 'drain cleaning replacement frequency' is that most experts recommend having your drains professionally cleaned every 18-24 months, or more frequently if you notice slow drainage or other issues. Proper drain maintenance is important to prevent clogs, backups, and more serious plumbing problems down the line.
Over time, hair, soap scum, and other debris can build up in your home's drains, leading to slow drainage and potential clogs. Regular professional drain cleaning using specialized tools and techniques can help remove this buildup and keep your drains flowing freely. While you can attempt some DIY drain cleaning methods, it's generally best to have a licensed plumber handle the job to ensure it's done properly and safely.