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The oceans are facing many threats, and one of the silent but serious dangers comes from products we use on boats. Many traditional antifouling paints contain high levels of copper, which slowly releases into the water to prevent marine growth. While this may protect boat hulls, it is causing long-term damage to coral reefs and marine ecosystems.

How Copper Affects Coral Reefs

Coral reefs are extremely sensitive to changes in water quality. Even small amounts of copper can harm them. Research shows that copper:

• Poisons coral larvae, preventing them from settling and forming new reefs.
• Slows coral growth and weakens their natural defenses.
• Disrupts the algae–coral relationship, which is essential for coral survival.
• Accumulates in reef areas, creating long-term toxicity in the environment.

Because coral reefs grow very slowly, even low copper pollution can stop recovery for many years. In island nations like the Maldives, where coral reefs protect shorelines and support tourism and fisheries, this impact is especially dangerous.

The Problem With Copper-Based Antifouling Paint

Traditional antifouling coatings work by continuously releasing copper into the water. Every time a boat is used or even when it sits in the lagoon, copper dissolves and spreads.

The results include:

• Toxic water around marinas and harbours
• Damage to fish, coral, seagrass, and plankton
• Pollution that stays trapped in sand and sediment
• Increasing reef stress during warm-water bleaching seasons

Many countries are now limiting or banning copper antifouling because of its environmental impact.

A Safer Alternative: Copper-Free Antifouling

New technologies allow boat owners to protect their hulls without harming marine life. One of the leading options is SeaJet Copper-Free Antifouling, designed to deliver strong protection while reducing environmental impact.

Why SeaJet Copper-Free Is Better

• No copper release – much safer for coral reefs and marine organisms
• Eco-friendly formulations that meet international standards
• Effective protection against fouling, algae, and barnacles
• Smooth coating that can enhance boat speed and reduce fuel consumption
• Better compatibility with modern boat hulls, including aluminium

SeaJet is already used in many regions that prioritise sustainability and marine conservation.

Protecting Our Reefs Starts With Responsible Choices

Coral reefs are a natural treasure. They support marine life, protect our islands from waves and erosion, and make places like the Maldives world-famous. Choosing copper-free antifouling is a simple decision that has a big impact on preserving these ecosystems.

Boat owners, resorts, dive centres, and marine professionals all have a responsibility to use solutions that keep the ocean clean. By switching to SeaJet copper-free antifouling, we can protect our reefs while still keeping our vessels safe from marine growth.