Never run dry: The ultimate guide to boat tank gauges

Whether your tank is half full or half empty, knowing what’s in your tanks and trusting your means of checking is critical to successful cruising, writes Theo Stocker

You don’t want to arrive at your favourite anchorage only to discover that you’ve run out of water, your holding tank is full and there’s no gas left to cook dinner, or risk running out of fuel at a safety critical point of the navigation. You can carry spare cans and bottles, but it’s better to know where you stand with your tankage before you run dry.