Do You Use A Hookup???
It could be damaging your boat RIGHT NOW
Whenever your boat is plugged into a marina electric hook up or shore power pedestal, hidden galvanic currents can start flowing through your hull and underwater metals. Left unchecked, these galvanic currents cause aggressive galvanic corrosion that can attack your hull , props, shafts and drive gear far faster than you might expect. Steel and aluminium craft are especially vulnerable, but GRP/fibreglass boats are not immune either, because all the underwater metalwork is still at risk.
Even if you have plenty of sacrificial anodes fitted, galvanic currents from the marina shore power earth can deplete those anodes quickly and still leave your metalwork exposed. Outboards, saildrives, stern drives, trim tabs and skin fittings can all suffer serious galvanic damage when your boat is connected to shore power for long periods. If your pride and joy spends time plugged in, a proper marine galvanic isolator is probably the simplest and most cost‑effective layers of protection you can add.
Our marine galvanic isolators are specifically designed for boats using shore power or electric hook up, providing instant protection by blocking low‑voltage galvanic currents while maintaining a safe earth connection for your onboard AC system. It helps stop your hull and underwater metals from acting as part of a big battery with every other boat on the pontoon, so you keep your anodes working on your terms, not the marina’s. Less wasted anode material, less pitting, and far better long‑term protection for your stern gear and hull.
Unlike some galvanic protection systems that need a professional electrician, our plug‑in galvanic isolator is engineered to be genuinely easy for normal boat owners to install. There is no drilling, no tools, no rewiring and no electrical knowledge required – simply fit it in line with your existing shore power lead, and you are done. In real terms, fitting our galvanic isolator takes about as long as it has taken you to read this paragraph, but it can save you hundreds or even thousands of pounds in future hull and drive repairs.
If you want a marine galvanic isolator that gives you all the galvanic corrosion protection with none of the fuss, this is a brilliant choice for any boat connected to shore power. Protect your hull, protect your anodes, and protect your wallet, all at the same time, while keeping your boat safely plugged into your electric hook up.
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