As a successful swimmer and the most decorated Olympian of all time, Michael Phelps knows a thing or two about water — including how to save it. He’s teamed up with Colgate for their “Save Water” campaign, and his tips don’t require flipper-like feet and a 7-foot wingspan to execute. Check out his advice in a video we created here at Earth911, and remember, every drop counts when it comes to saving water.