About the Sea Water Supply : for the ice machine install on the vessel, the sea water is pumped into the evaporator to be frozen from the tank for sea water storage. However, if the ice machine is land based, you need to use a pump . Ice Blocks Maker, Big Ice Cube Maker Machine, Polar Ice Cube Maker, Ice Maker Hollow Ice,Large Cube Clear Ice Maker. The product will supply to all over the world, such as Europe, America, Australia,Washington, Indonesia,Poland, Berlin.3. Ice cooling system: there are two types of system in the market, one is used brine water or salt water for cooling the water into ice block, another is direct cooling which is freezing by the gas inside the system.