Water Gear Hydro Buoys Minimum - Water Fitness and Pool Exercise. - Great for Upper Body and Minimum Stress Training - Whether you are looking to get a light workout in or just recovering from an injury, these aerobics dumbbells are just what you are looking for. This aqua fitness set is very easy to use and is designed with a soft padded grip which allows for a great feel. Pool weights are a great way to get exercise without the over-burden stress you receive using weights in a gym. As we get older our joints and bones become more susceptible to wear and tear. Water weights for pool exercise are a great tool for stress management. Our water dumbells build strength and health, excellent cardio exercise for adults and teens. Water weights for water aerobics are a great way to de-stress and soak up the rays while getting your daily exercise.