Is it time to change the sand in your filter? If its has been longer than 5 years since your sand was installed, it definitely is. While replacing the media, why not consider switching to a powerful sand alternative? There are several products out there that offer filtering capabilities that are far superior to regular sand. Zeobest Sand Filter Media is one great option. Zeobest has nearly 9800 times more square footage than sand which it enables it to small particles down to three microns for exceptional water clarity. Sand usually filters down to only 30 microns. You also use only 1 lb of Zeobest for every 2 lbs of sand required. Half the product equals half the work! It offer longer cycles and is completely safe for you and your loved ones. It will be a great change for your pool!