Kiefer carries a great selection of Water Barbells and Dumbbells. Swimming isn't just about endurance and stamina; it's also about strength. You don't have to hit the weight bench to build muscle, though. At Kiefer, our full selection of training essentials has everything you need, including a full selection of water barbells and water dumbbells. From aquatic fitness to physical therapy, you're sure to find the water weights you need to reach your goals.