Additives

Buy Marine Fuel Additives & Engine Treatments

Explore our premium range of marine fuel additives and engine treatments designed to improve performance, prevent corrosion, and extend the life of your boat’s systems. From fuel stabilisers to ethanol treatments and Volvo neutralising agents, our additives keep your engines running efficiently and reliably.

• Volvo Neutralising Agents: Protect your engine from corrosion with genuine Volvo neutralising agents, available in 3.8L and standard sizes.
• Fuel Stabilisers: Keep your fuel fresh during storage periods and prevent gum or varnish build-up in tanks and injectors.
• Ethanol Fuel Treatments: Counteract ethanol-related corrosion and phase separation, available in 8 oz., quart, and gallon sizes.
• Probiotic Wastewater Tank Treatments: Maintain hygiene, reduce odours, and improve efficiency in onboard wastewater systems.

Shop, explore, and find the right additives to protect your marine engine, prevent damage, and keep your boat in peak condition.