Yes, it is generally safe to run the garbage disposal while running the dishwasher. Modern dishwashers are designed to handle the water and waste generated during their operation without any issues. The dishwasher's drainage system is separate from the garbage disposal's drainage, so they should not interfere with each other.
However, there are a few things to keep in mind to ensure everything runs smoothly:
Pre-rinse dishes: It's a good idea to scrape off excess food scraps from your dishes into the garbage or compost before loading them into the dishwasher. This helps prevent the garbage disposal from becoming overloaded.
Use cold water for garbage disposal: When you use the garbage disposal while the dishwasher is running, use cold water instead of hot water. The cold water helps solidify any grease or fat that may go down the disposal, preventing potential clogs.
Run garbage disposal before dishwasher: If you have a lot of food waste in the sink, consider running the garbage disposal before starting the dishwasher. This ensures any potential blockages are cleared before the dishwasher starts draining.
Avoid large or hard items: Avoid disposing of large or hard items like bones, fruit pits, or large chunks of food down the garbage disposal. These items can potentially damage the disposal or cause clogs.
Keep dishwasher drain clear: Regularly check and clean the dishwasher's drain to ensure it remains free of any debris or blockages. This will help the dishwasher operate efficiently.
Overall, running the garbage disposal while the dishwasher is running is a common practice and shouldn't cause any problems as long as you follow these simple guidelines.