Replacing a pencil zinc doesn't have to be hard
If you've ever opened up your heat exchanger just to find a crumbly mess, you know exactly why maintaining a fresh pencil zinc readily available is so important for your boat's health. It's one of those tiny, inexpensive parts that carries a massive excess weight on its shoulders. If you ignore it, you're looking from thousands of bucks in engine damage. If you stay upon top from it, your own cooling system will probably outlast the furniture. ...