Sea Foam MP128 Marine PRO Complete Marine Fuel System Treatment 1 Gallon

Sea Foam Marine PRO (MP128) is a complete marine fuel system treatment formulated specifically for gasoline-powered marine engines. Designed for both routine maintenance and deep cleaning, this 1-gallon professional-size container is ideal for frequent boaters, marinas, and marine service professionals who treat large fuel tanks or multiple engines.

Key Features:

• Cleans fuel injectors and carburetor passageways — breaks down and removes gum, varnish, and carbon deposits
• Stabilizes fuel up to 2 years — helps stored fuel resist evaporation and preserves ignition vapors
• Promotes faster starts and smoother running — ideal for regular use with every tank of fuel
• Compatible with 2-stroke and 4-stroke gasoline marine engines
• Can be used to prime marine fuel filters — use 100% Marine PRO for priming
• Works in all gasoline marine fuel systems including carbureted and fuel-injected engines
• 1-gallon (128 oz.) container — treats large or multiple fuel tanks

Dosage Guide:

• Routine maintenance: Add 1 oz. per 1.5 gallons of gasoline
• Deep cleaning: Add 2 or more oz. per gallon of fuel
• Fuel stabilization: Add 1 oz. per gallon
• 2-stroke pre-mix: Add 2 oz. per gallon
• Professional cleaning machines: Use 50/50 mixed with gasoline
• Priming marine fuel filters: Use 100% Marine PRO

Sea Foam Marine PRO is a trusted solution for keeping marine engines cleaner, running more efficiently, and lasting longer — whether you're heading out on the water or preparing your boat for seasonal storage.