Scheduled Hull Cleaning
Recurring hull cleaning that keeps growth in check, protects your bottom paint, and holds performance steady between haul-outs.
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Galvanic protection for props, shafts, and underwater metals.
Overview
Zinc anodes are the first line of defense for every piece of metal below your waterline. They corrode so that your shafts, props, struts, and trim tabs do not. Left unwatched, a spent anode quietly stops protecting, and the damage that follows is measured in haul-outs, not dives.
We check anode condition on every hull visit and replace them before they reach the end of their useful life. Replacements are matched to your hardware and to the water your boat sits in, and each change is documented so the protection on your vessel is always accounted for.
What’s Included
Cadence
Anodes are inspected on every cleaning visit and typically replaced every three to six months, depending on your hardware, bonding system, and berth. Boats on shore power or near heavy marina electrical activity often need them sooner.
Common Questions
A healthy anode looks rough and gray and still carries most of its mass. Once it is eroded past roughly half, it is no longer protecting reliably and should be replaced. We track this on every visit so it never reaches that point unnoticed.
With no anode left to sacrifice, the next-most-active metal corrodes instead, usually your propeller, shaft, or underwater fittings. Replacing a worn anode is routine; repairing the gear it was protecting is not.
Stray current in a marina, shore-power wiring, dissimilar metals, and your bonding system all change how fast anodes are consumed. Two boats in the same harbor can be on very different schedules, which is why we set yours from observed wear rather than a calendar.
Other Services
Recurring hull cleaning that keeps growth in check, protects your bottom paint, and holds performance steady between haul-outs.
Every hull service includes a visual inspection of the hull, running gear, and zincs, noted in your report. Deeper, dedicated inspections are available on request.
Underwater cleaning and condition care for propellers and running gear, the hardware that turns engine power into clean, efficient motion.
Guidance and coordination for bottom paint: knowing when the antifouling is spent, what to apply, and how to time the work around your season.
Above-the-waterline care that keeps the visible boat looking as well-kept as the hull beneath it, coordinated with your underwater service.
A from-the-water inspection of your dock: pilings, framing, lines and cleats, and the under-dock condition you cannot see from above. It is documented with notes and, where useful, photo and video.
When a phone, keys, sunglasses, a tool, or a winch handle goes over the side, we recover what a diver can locate and bring up by hand. This is light recovery, not salvage; if it takes more than two hands, we will point you to the right outfit.
Get in touch
Share your vessel details and where it’s berthed. We’ll review the information and respond within one business day.
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