Coral Vue Technology ACV20504 Bubble Blaster Hy-2000 Pump The benefit of this material is that it will not allow calcium to adhere to it like ceramic This means less maintenance and cleaning and more time for you to enjoy your aquarium instead of working on it Air and water volume is the key to aggressive protein skimming The benefit of this material is that it will not allow calcium to adhere to it like ceramic This means less maintenance and cleaning and more time for you to enjoy your aquarium instead of working on it Air and water volume is the key to aggressive protein skimming This means less maintenance and cleaning and more time for you to enjoy your aquarium instead of working on it