Should I really use STA-BIL 360 Marine before every fill-up? Is it truly necessary?

To be blunt, yes, especially if you want to protect your investment. Boats live in a high-moisture environment. STA-BIL 360 Marine is engineered to protect your tank from corrosion and optimize the fuel in the process.

If the color of the liquid in the bottle is no longer blue, is it still safe to use?

Yes. It is possible for the dye in the formula to fade, but it is still perfectly functional.

What happens if I add too much fuel additive to my tank? Will it harm the engine?

No. Overpouring will not cause significant damage to your fuel tank. However, it’s best practice to avoid making this a habit. Miscalculating by an ounce here or there, so long as it is not over four total ounces, is acceptable.

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Description

⚓ Power up your marine engine with STA-BIL 360 — the ultimate fuel guardian!

FUEL SYSTEM DETOX - Cleans carbon, gum, and varnish buildup for peak engine power and smoother performance.
SUPERIOR WATER EXTRACTION - Advanced formula actively removes moisture to prevent corrosion and rust in your fuel system.
LONG LASTING FUEL FRESHNESS - Keeps your fuel stable and fresh for up to 12 months, perfect for seasonal storage and spontaneous adventures.
MARINE GRADE ETHANOL DEFENSE - Engineered to shield your engine from harsh saltwater and ethanol damage, ensuring longevity and reliability.
VERSATILE WATERSPORT ESSENTIAL - Ideal for boats, jet skis, and all watersport engines—because your gear deserves premium care.

STA-BIL 360 Marine Ethanol Treatment is a 10oz advanced fuel stabilizer designed specifically for marine engines. It combats ethanol fuel damage, removes water and corrosion, cleans fuel systems, and keeps fuel fresh for up to 12 months. Perfect for boats, jet skis, and watersport engines, it ensures peak performance and engine longevity in harsh marine environments.

Specifications

Manufacturer	Gold Eagle Co.
Brand	STA-BIL
Model	STA-BIL 360 Marine
Product Dimensions	21.59 x 8.38 x 4.57 cm; 290.3 g
Item model number	22241
Manufacturer part number	22241
OEM Part Number	GDE22241
Special Features	Advanced formula for engines used in water environments, to better remove the moisture, America’s #1 Ethanol Treatment, Helps prevent Ethanol fuel related damage in vehicles and small engines, Helps prevent corrosion damage and helps remove water, Use in your boat, jet ski, or any water sport engines to clean the fuel system and improve performance
Item Weight	290 g

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