Biddinghuizen, Netherlands - 10 14 2023: A round anode that is in an advanced state of corrosion on the propeller shaft of a steel sailing ship. The propeller is out of focus in the foreground.
Corrosion Protection Service

Zinc Anode Replacement in Miami

Protect Your Boat From Costly Corrosion

No Haul-Out Required
Photo/Video Documentation
Marine-Grade Zincs

The Silent Killer of Your Boat's Metal Components

Saltwater is one of the most destructive environments for any boat. Without proper protection, your propellers, shafts, rudders, trim tabs, and other metal components can corrode rapidly—leading to thousands of dollars in repairs.

That's why zinc anodes are one of the most important parts of your vessel's underwater protection system.

At Reliable Divers, our certified commercial divers inspect, replace, and properly install zinc anodes directly underwater—no need to haul out your boat. We ensure your running gear is fully protected from galvanic corrosion, the silent killer that eats away at your most expensive hardware.

Whether you're a yacht owner, commercial captain, or recreational boater, routine zinc replacement is the #1 way to safeguard your vessel from long-term damage.

Without Proper Zinc Protection

Galvanic corrosion can cost you thousands

Propeller & Shaft Damage

Corrosion eats away at expensive drive components

Trim Tab Corrosion

Underwater hardware weakens and fails

Pitting & Electrolysis

Metal surfaces develop permanent damage

Premature Part Failure

Early replacement of thousands of dollars in parts

Miami's warm saltwater accelerates corrosion, making frequent inspections essential

Signs Your Zincs Need Replacement

When zinc anodes wear down, they lose their ability to protect your boat's metal components

Chalky Appearance

White, powdery surface indicates zinc is actively sacrificing

50%+ Wear

More than half worn means replacement is overdue

Pitting or Breaks

Broken sections or deep pitting compromise protection

Black Corrosion Spots

Dark spots on metal parts signal active corrosion

Not Sure About Your Zincs?

Our divers will inspect everything and send photos and videos of your zinc condition, so you can see exactly what's happening underwater.

Schedule Free Inspection

What's Included in Our Service

Professional underwater zinc replacement with full documentation

Full Underwater Inspection

Complete assessment of all zinc anodes

Removal of Worn Anodes

Safe removal of sacrificial anodes

New Zinc Installation

Hull, rudder, trims, shafts (vessel-specific)

Torque-Correct Fastening

Proper installation for maximum lifespan

Photo/Video Documentation

Visual proof after installation

Optional Corrosion Report

Early detection of corrosion signs

Marine-Grade, High-Purity Zincs

Reliable Divers uses only marine-grade, high-purity zincs, ensuring maximum protection and durability for your vessel.

Protect Your Boat Today — Don't Wait for Corrosion

Your boat's metal components are worth thousands—protect them with the right zincs, installed by the right divers.

No Haul-Out Needed
Same-Day Service Available
All Vessel Types
Service Areas

Professional Zinc Replacement Across South Florida

Reliable Divers offers professional zinc anode replacement in Miami, Fort Lauderdale, Boca Raton, West Palm Beach, Jupiter, Stuart, Key Biscayne, Coconut Grove, Coral Gables, Miami Beach, and surrounding marinas.

Our underwater zinc inspection and replacement service protects boats from galvanic corrosion, extending the life of propellers, shafts, and running gear. If you're searching for "zinc anode replacement Miami," "underwater zinc diver," "galvanic corrosion protection," or "zinc installation for boats," our expert diving team delivers fast, reliable, and highly detailed service.

Miami

Fort Lauderdale

Boca Raton

West Palm Beach

Jupiter

Stuart

Key Biscayne

Coral Gables

Miami Beach

Coconut Grove

Serving all marinas and waterways throughout South Florida