Originally Posted by treblings
i would love to have tennis balls that last longer than two hours
letīs say 100 hours of play before they become unplayable
also i would pay extra for biodegradable tennis balls
Along similar lines, there is a company offering machines which pressurize old balls with inert gases. It takes 3 days. They are pitching it towards teaching pros and college teams who have tons of old practice balls, but I suspect a cheaper home version is coming.