Specially formulated for marine engines and confirmed by independent laboratory testing, the ValvTect Ethanol Gasoline Treatment is designed to keep ethanol-blended fuels stable and protect boats from common fuel-related problems.
Ethanol-blended gasoline is widely used but can present significant challenges for boat owners and other operators of marine engines. Ethanol attracts and holds moisture, and when water accumulates in a fuel tank it can cause phase separation—a condition that undermines combustion, leads to rough running, stalls, difficult starting, and can plug fuel filters. Left unchecked, ethanol-related corrosion and loss of octane can also harm engine performance and longevity.
To address these issues, ValvTect Petroleum Products developed ValvTect Ethanol Gasoline Treatment specifically for marine use. According to the manufacturer, the formulation stabilizes gasoline, controls moisture to help prevent phase separation, and inhibits corrosion and rust inside fuel systems. The product is also claimed to reduce octane loss and to help clean carbon deposits that form in injectors and combustion chambers. ValvTect states these performance benefits exceed those of enzyme-based fuel treatments, and the product has been verified by independent tests.
The treatment is supplied in a 12-ounce bottle that treats up to 120 gallons of fuel. This packaging and concentration make it practical for both routine use and seasonal storage situations common to recreational boaters and commercial operators alike. ValvTect lists a retail price of $11.99 for the 12-ounce bottle.
Marine engines are particularly vulnerable to the challenges posed by ethanol-blended gasoline because boats often sit unused for extended periods, and fuel tanks are frequently exposed to temperature swings and humidity. Proper fuel stabilization and corrosion protection during storage and layup can reduce the risk of starting problems and fuel-system clogs in the spring or after extended idle periods.
When considering any fuel additive for marine use, boat owners should evaluate products based on independent test results, compatibility with engine and fuel system materials, and manufacturer recommendations. ValvTect emphasizes its product’s independent verification and suitability for marine engines, positioning the treatment as a targeted solution for ethanol-related fuel issues in boating applications.
Beyond additive use, routine fuel management best practices remain important: keep tanks properly vented, avoid leaving significant amounts of half-filled tanks exposed to air and moisture, and follow engine manufacturer guidance on fuel type and maintenance intervals. Fuel treatments can provide an extra layer of protection, especially when boats are stored for the off-season or when fuel quality is uncertain.
For product inquiries or customer support, ValvTect Petroleum Products is based in Northbrook, Illinois. Phone: (800) 728-8258.
This article originally appeared in the April 2009 issue.