We Use CookiesWe use cookies to enhance the security, performance,
functionality and for analytical and promotional activities. By continuing to browse this site you
are agreeing to our privacy policy
10 Best Fuel Tank Water Remover 2025 in the United States
#1
Winner
STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer - Prevents Rust and Corrosion, Helps Clean Fuel System For Improved In-Season Performance, Treats Up To 320 Gallons, 32oz (22240) , Blue
The STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer is designed specifically for marine engines and gasoline-powered watercraft, making it a solid choice for anyone looking to protect such fuel systems. It excels at removing water from the fuel tank, thanks to PEA additives that also clean fuel injectors, lines, and pumps. This helps prevent gum buildup, rust, and corrosion, which are common problems when water mixes with ethanol-blended fuels. Users will appreciate that it not only removes water but also stabilizes fuel for up to 12 months and boosts engine performance by promoting cleaner combustion.
Rating
9.7
Chosen by1,187
Compatibility
Water Removal Efficiency
Additive Benefits
Most important from
4706 reviews
#2
Heet Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner Helps Increase Gas Mileage Improves Engine Performance Year Round Performance, 12 fl. oz. (28202) , Red
The Heet Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner appears to be a solid choice for those seeking to maintain their vehicle’s fuel system. One of its standout features is its high water removal efficiency, as it absorbs five times more water than regular gas dryers. This can be particularly beneficial in preventing water-related issues in the fuel system, such as rust and corrosion.
Rating
9.4
Water Removal Efficiency
Additive Benefits
Most important from
2800 reviews
#3
STP Water Remover, All Season Cleaner for Cars & Truck, Bottles, 5.25 Fl Oz, Pack of 12, 78572-12PK
The STP Water Remover is a solid choice for those needing a reliable product to eliminate water from fuel tanks, especially in cars and trucks. It boasts impressive water removal efficiency, making it effective for preventing fuel line freeze and corrosion throughout the year. This is a significant advantage for vehicle owners in regions with fluctuating temperatures. Additionally, the product does not rely on alcohol for water removal, which some users may prefer for its gentler approach on fuel systems.
Rating
9.1
Additive Benefits
Most important from
702 reviews
Top 10 Best Fuel Tank Water Remover 2025 in the United States
Sponsored
#1
Winner
9.7 score
STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer - Prevents Rust and Corrosion, Helps Clean Fuel System For Improved In-Season Performance, Treats Up To 320 Gallons, 32oz (22240) , Blue
STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer - Prevents Rust and Corrosion, Helps Clean Fuel System For Improved In-Season Performance, Treats Up To 320 Gallons, 32oz (22240) , Blue
Compatibility: marine engines, gasoline watercraft
Water Removal Efficiency: removes water from gas tank
Additive Benefits: cleans fuel system; prevents gum, rust
Ease of Use: add 1 oz per 10 gallons
Frequency of Use: use every fill up in season
Chosen by 1187 this week
Sponsored
Heet Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner Helps Increase Gas Mileage Improves Engine Performance Year Round Performance, 12 fl. oz. (28202) , Red
Heet Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner Helps Increase Gas Mileage Improves Engine Performance Year Round Performance, 12 fl. oz. (28202) , Red
Water Removal Efficiency: absorbs five times more water
Additive Benefits: improved gas mileage, enhanced performance
Ease of Use: easy to use, convenient bottle
Frequency of Use: useful year-round
STP Water Remover, All Season Cleaner for Cars & Truck, Bottles, 5.25 Fl Oz, Pack of 12, 78572-12PK
STP Water Remover, All Season Cleaner for Cars & Truck, Bottles, 5.25 Fl Oz, Pack of 12, 78572-12PK
Compatibility: cap-less gas systems
Water Removal Efficiency: impressive
Additive Benefits: keeps injectors clean
Ease of Use: easy to use
Frequency of Use: regular application
Power Service 09280-06 Clear-Diesel Fuel & Tank Cleaner - 80 oz.
Power Service 09280-06 Clear-Diesel Fuel & Tank Cleaner - 80 oz.
Compatibility: All diesel fuels, including biodiesel blends
Water Removal Efficiency: Prevents fuel-filter plugging, protects against corrosion
Additive Benefits: Petro Fresh for long-term stability
Ease of Use: Easy to use
Frequency of Use: Slightly demanding for optimal performance
K-100 MG All-in-One Gasoline Fuel Treatment & Additive - Eliminates Water, Stabilizes Fuel, and Cleans Engine & Fuel Systems - 32 oz. (K100-G)
K-100 MG All-in-One Gasoline Fuel Treatment & Additive - Eliminates Water, Stabilizes Fuel, and Cleans Engine & Fuel Systems - 32 oz. (K100-G)
Compatibility: gasoline engines
Additive Benefits: removes water, stabilizes fuel, cleans engine
Ease of Use: easy to add to fuel tank
Frequency of Use: use regularly for fuel system care
Related Products
Up to 15% off
HEET Water Remover & Premium Gas Line Antifreeze, Removes Water from Fuel System, Prevents Gas-line Freezing, Winter Fuel Additive for Fast Cold Weather Starts, 12 fl. oz.
HEET Water Remover & Premium Gas Line Antifreeze, Removes Water from Fuel System, Prevents Gas-line Freezing, Winter Fuel Additive for Fast Cold Weather Starts, 12 fl. oz.
Compatibility: Suitable for all 4-cycle engines
Water Removal Efficiency: Efficiently removes water
Additive Benefits: Prevents rust, corrosion, fuel line freeze
Ease of Use: Easy to use; pour into fuel tank
Frequency of Use: Regular use, especially in harsh conditions
PIG Diesel Tank Water Absorber | Removes Water from Fuel Tanks | Absorbs Up to 7.2 oz. of Water from Tank | 1.5" x 1.5” x 11" | PMB30592
PIG Diesel Tank Water Absorber | Removes Water from Fuel Tanks | Absorbs Up to 7.2 oz. of Water from Tank | 1.5" x 1.5” x 11" | PMB30592
Compatibility: diesel, gasoline, kerosene, jet fuels
Water Removal Efficiency: absorbs up to 7.2 oz water
Ease of Use: drop in tank, retrieve with string
Frequency of Use: regular use, may need replacements
PIG Diesel Tank Water Absorber | Removes Water from Fuel Tanks | Absorbs Up to 2.8 oz. of Water from Tank | 1" x 1” x 9" | PMB30591
PIG Diesel Tank Water Absorber | Removes Water from Fuel Tanks | Absorbs Up to 2.8 oz. of Water from Tank | 1" x 1” x 9" | PMB30591
Compatibility: diesel, gasoline, kerosene, jet fuels
Water Removal Efficiency: absorbs up to 2.8 oz water
Ease of Use: drop in tank, retrieve with string
Frequency of Use: may need frequent replacement
Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner - Helps Increase Gas Mileage - Improves Engine Performance - Year Round Performance, 12 fl. oz. (28202-24PK)
Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner - Helps Increase Gas Mileage - Improves Engine Performance - Year Round Performance, 12 fl. oz. (28202-24PK)
Compatibility: 2-cycle and 4-cycle engines
Water Removal Efficiency: absorbs 5 times more water
Additive Benefits: improved mileage and performance
Ease of Use: pouring spout design
Frequency of Use: year-round use
#10
7.1 score
ComStar Super Heat, 8-in-1 Fuel Oil Treatment, Controls Waxing & Jelling, Melts Ice, Lowers Pour Point, Dissolves Sludge, Reduces Soot, Rust, Water, Cleans Parts, Made In USA, 16 Ounces (60-130)..
ComStar Super Heat, 8-in-1 Fuel Oil Treatment, Controls Waxing & Jelling, Melts Ice, Lowers Pour Point, Dissolves Sludge, Reduces Soot, Rust, Water, Cleans Parts, Made In USA, 16 Ounces (60-130)..
Compatibility: gasoline and diesel
Water Removal Efficiency: high
Additive Benefits: melting ice, reducing wax, dissolving sludge
Ease of Use: add 8 oz. per 275-gallon refill
Frequency of Use: regularly
How do we rank products for you?
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.
Buying Guide for the Best Fuel Tank Water Remover
Choosing the right fuel tank water remover is essential for maintaining the efficiency and longevity of your vehicle's engine. Water in the fuel tank can cause a range of issues, from poor engine performance to corrosion and damage. To select the best product for your needs, it's important to understand the key specifications and how they impact performance. Here are the main factors to consider when choosing a fuel tank water remover.CompatibilityCompatibility refers to whether the water remover is suitable for the type of fuel your vehicle uses, such as gasoline or diesel. This is important because using an incompatible product can lead to ineffective water removal or even damage to your engine. To navigate this, check the product label to ensure it matches your fuel type. If you have a gasoline engine, choose a remover designed for gasoline; if you have a diesel engine, select one formulated for diesel.
Water Removal EfficiencyWater removal efficiency indicates how effectively the product can eliminate water from your fuel tank. This is crucial because higher efficiency means better protection for your engine. Products are often rated by their ability to remove a certain percentage of water. Look for products that claim to remove at least 90% of water for optimal performance. If you live in a humid area or frequently experience condensation issues, prioritize higher efficiency removers.
Additive BenefitsSome water removers come with additional additives that can clean the fuel system, improve fuel stability, or enhance engine performance. These benefits are important as they can provide extra protection and maintenance for your vehicle. When choosing a product, consider if you need these additional benefits. If your vehicle is older or you want to maintain peak performance, opt for a remover with extra additives.
Ease of UseEase of use refers to how simple it is to apply the water remover to your fuel tank. This is important because a product that is difficult to use may lead to improper application and less effective results. Products typically come in liquid form and are added directly to the fuel tank. Look for products with clear instructions and convenient packaging, such as a bottle with a built-in measuring cap. If you are not very experienced with vehicle maintenance, choose a product that emphasizes ease of use.
Frequency of UseFrequency of use indicates how often you need to add the water remover to your fuel tank. This is important for maintaining consistent protection against water contamination. Some products are designed for one-time use, while others may need to be added regularly, such as with every fill-up. Consider your driving habits and how often you refuel. If you drive frequently or have a large fuel tank, a product that requires less frequent use may be more convenient.