Bilge water is a common problem on nearly every boat in use. In most cases it’s little more than a minor nuisance, seeping in via a variety of sources from rain and washdown water to melting cooler ice or an ill-fitting drain plug. Left to collect, however, it can impair your craft’s performance, potentially cause electrical damage or metal corrosion, or worse case scenario, even sink your boat. That’s why it’s essential to have a bilge pump (or several) in place to rid your hull of that water and stop a minor problem from becoming a major one. Here are three things to look for.