garbage disposal installed under a sink

How to Maintain Your Garbage Disposal Year-Round

houseSpearhead Plumbing Aug 13, 2025

Your garbage disposal is one of the hardest-working tools in your kitchen. It grinds up food scraps, prevents clogs, and helps keep your sink clear, but it also takes a lot of abuse. Without proper care, your disposal can develop foul odors, clogs, or even mechanical failure. For homeowners in St. Charles and surrounding Missouri areas, year-round maintenance is key to keeping this appliance running smoothly.

Why Garbage Disposal Maintenance Matters

A well-maintained garbage disposal not only lasts longer but also helps prevent plumbing problems in other parts of your home. When disposals fail, food waste can back up into your sink, clog drains, and even lead to issues further down your pipes that require professional plumbing services.

Common Garbage Disposal Problems

  • Foul odors caused by trapped food particles
  • Clogs from fibrous vegetables, grease, or non-food items
  • Leaks from worn seals or loose connections
  • Jammed blades from bones or utensils
  • Motor burnout from overuse or improper operation

By understanding these issues, you can take steps to prevent them before they turn into expensive repairs.

Daily Habits to Keep Your Disposal Healthy

  1. Run cold water before, during, and after use
    Cold water helps keep grease solid so it can be chopped up and flushed away instead of coating your pipes.

  2. Cut large scraps into smaller pieces
    This puts less strain on the motor and blades.

  3. Avoid overloading the disposal
    Feed scraps in gradually instead of dumping everything in at once.

  4. Run the disposal regularly
    Even if you don’t use it daily, running it prevents rust and keeps parts moving freely.

What NOT to Put in Your Garbage Disposal

Some items can damage your disposal or cause stubborn clogs. Avoid:

  • Grease and oils
  • Coffee grounds
  • Eggshells (can stick to pipes)
  • Fibrous vegetables like celery or corn husks
  • Large bones
  • Pasta or rice (they expand in water)

For a full breakdown of what to avoid and why, check out our garbage disposal installation and maintenance guide.

Monthly Deep Cleaning Tips

Even with good daily habits, food particles can still build up. Once a month:

  1. Flush with vinegar and baking soda
    Pour half a cup of baking soda into the disposal, followed by a cup of vinegar. Let it fizz for a few minutes, then rinse with hot water.

  2. Use ice cubes to sharpen blades
    Grind a tray of ice cubes with a few lemon peels for a fresh scent and sharper cutting edges.

  3. Inspect for leaks
    Check under the sink for any signs of water around seals or connections.

Seasonal Maintenance Checklist for Missouri Homes

  • Winter: Check for cracks or leaks in pipes leading to the disposal, especially if your home has experienced freezing temperatures.
  • Spring: Inspect for buildup from heavy holiday cooking.
  • Summer: Watch for odors caused by higher temperatures and humidity.
  • Fall: Test your disposal before the holiday season when usage typically increases.

When to Call a Professional

While many disposal problems can be prevented with proper maintenance, some require expert help. Contact Spearhead Plumbing if:

  • The disposal hums but doesn’t grind
  • You smell persistent odors even after cleaning
  • Water leaks from the unit or nearby pipes
  • The disposal trips the circuit breaker repeatedly

We provide plumbing fixture services and disposal repairs to ensure your system is safe, efficient, and ready for daily use.

Extending the Life of Your Garbage Disposal

With good maintenance, a quality garbage disposal can last 10 years or more. Following the right habits not only saves you from replacement costs but also protects the rest of your plumbing system from unnecessary strain.

The Bottom Line

Your garbage disposal plays a key role in keeping your kitchen functional and your drains clear. By making proper maintenance a year-round priority, you’ll save money, reduce the risk of plumbing issues, and extend the life of your unit. Whether you need a quick repair, replacement, or a complete kitchen plumbing inspection, Spearhead Plumbing is here to help.

Contact us today to schedule a garbage disposal service or a full plumbing inspection for your St. Charles home.