How often should I replace the tennis balls in my ball machine?
As a tennis enthusiast, I've often wondered how frequently I should replace the tennis balls in my ball machine. After some research, I've found that it's best to change them every 2-3 weeks or after 200-250 hours of hitting, depending on the intensity of your practice sessions. It's important to replace them regularly as worn-out balls can affect the accuracy and consistency of shots. Additionally, using fresh tennis balls can help prevent potential injuries caused by unpredictable ball behavior. In summary, keeping track of your ball usage and replacing them promptly can significantly improve the quality of your training sessions.