In the comparison between FilterBalls and sand as pool filter media, it is clear that FilterBalls offer several advantages. They are highly effective in filtering out impurities and providing superior water clarity. Additionally, FilterBalls are lightweight, easy to handle, and have a simple installation process. With less frequent backwashing requirements and a longer lifespan compared to sand filters, they also require less maintenance. While FilterBalls may have a higher upfront cost, their potential for long-term cost savings makes them a worthwhile investment for pool owners. Overall, FilterBalls prove to be the best pool filter media choice for those seeking optimal filtration efficiency and convenience.