Unfortunately, it is all too common for gasoline and diesel storage tanks at marinas to contain excess water and other contaminants such as bacteria and debris. These contaminants can be pumped into boaters’ fuel tanks and can cause an engine to shut down or cause permanent damage. The presence of ethanol gasoline, ultra low sulfur diesel fuel and biodiesel makes this situation even worse. To combat this problem, all Certified ValvTect Marinas must have their fuel tanks tested…