A water resistance rowing machine is a type of exercise equipment that uses water as its main resistance mechanism. It consists of a tank or a chamber filled with water, and a rowing mechanism connected to paddles or blades inside the tank. When the user pulls the rowing handle, it causes the blades or paddles to move through the water, creating resistance. The resistance level can be adjusted by adding or removing water from the tank or by adjusting the position of the blades or paddles. Water resistance rowing machines provide a smooth and realistic rowing experience, as the resistance closely mimics the feel of rowing on water. They are also known for their quiet operation and low impact on joints. Some popular brands that offer water resistance rowing machines include WaterRower and First Degree Fitness. These machines are commonly used for cardiovascular workouts, strength training, and overall fitness improvement.