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Top-10 Fuel Tank Water Remover
Loved in the USA

Handpicked for quality & trusted by thousands of customers

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MotorPower
MotorPower Care

MotorPower Care Injectors & Fuel System Cleaner: Clean, Lubricate, eliminates Water from Fuel Tank, and Protect for Optimal Performance

#1
Top Rated in the USA
STA-BIL 36
STA-BIL

Born in the USA

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

Fast Delivery
10.0
7 631 reviews

Solid Value from a Trusted Brand

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1 485 bought in past month

Sponsored

MotorPower
MotorPower Care

MotorPower Care Injectors & Fuel System Cleaner: Clean, Lubricate, eliminates Water from Fuel Tank, and Protect for Optimal Performance

#2
STP Water
STP

Born in the USA

STP Water Remover, All Season Cleaner for Cars & Truck, Bottles, 5.25 Fl Oz, Pack of 12, 78572-12PK

Fast Delivery
9.1
736 reviews

Solid Value from a Trusted Brand

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1 383 bought in past month
Last Purchases
Ga***el
Orlando, FL
3d ago
Be***in
Atlanta, GA
3d ago
Is***la
Seattle, WA
15h ago
#3
Power Serv
Power Service

Born in the USA

Power Service 09280-06 Clear-Diesel Fuel & Tank Cleaner - 80 oz.

Fast Delivery
8.5
335 reviews

Solid Value from a Trusted Brand

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1 281 bought in past month
Excellent value for the quality you get.
AvaAtlanta, GA
#4
Iso-HEET W
Iso-HEET

Born in the USA

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)

12%OFF

Fast Delivery
8.5
121 reviews

Item still has Pre-Tariff price

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1 179 bought in past month
Curated products trusted bytrust us brands
#5
K-100 MG A
K&Company

K-100 MG All-in-One Gasoline Fuel Treatment & Additive - Eliminates Water, Stabilizes Fuel, and Cleans Engine & Fuel Systems - 32 oz. (K100-G)

Fast Delivery
8.5
677 reviews

Solid Value from a Trusted Brand

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1 077 bought in past month
#6
ComStar Su
Comstar

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)..

12%OFF

Fast Delivery
7.9
630 reviews

Item still has Pre-Tariff price

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975 bought in past month
#7
PIG Diesel
PIG

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

Fast Delivery
7.9
17 reviews

Solid Value from a Trusted Brand

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873 bought in past month
#8
PIG Diesel
PIG

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

14%OFF

Fast Delivery
7.6
17 reviews

Item still has Pre-Tariff price

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771 bought in past month
#9
Heet Iso-H
Heet

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

Fast Delivery
7.6
2 919 reviews

Solid Value from a Trusted Brand

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669 bought in past month
#10
Red Line 6
Red Line

Red Line 60302 Fuel System Water Remover and Antifreeze - 12 Ounce

Fast Delivery
7.0
61 reviews

Solid Value from a Trusted Brand

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567 bought in past month

More great picks just for you

HEET Water
Heet

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.

Fast Delivery
2 921
verified reviews

Solid Value from a Trusted Brand

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465 bought in past month
STP Water
STP

Born in the USA

STP Water Remover, All Season Cleaner for Cars & Truck, Bottles, 5.25 Fl Oz, 14259

Fast Delivery
331
verified reviews

Solid Value from a Trusted Brand

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363 bought in past month
Explore other best-rated products in this category

Our Top Picks

#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

Rating
10.0
Chosen by1,485
Compatibility
Water Removal Efficiency
Additive Benefits

Most important from
7631 reviews

Compatibility
Effectively stops fuel separation immediately, providing reliable ethanol defense for marine engines.
Water Removal Efficiency
Essential for maintaining engine performance and preventing gum buildup, rust, and corrosion in marine fuel systems.
Additive Benefits
Cleans fuel injectors and protects carburetors from ethanol damage, especially in engines not used frequently.
Ease of Use
A small, concentrated dose treats 10 gallons of fuel, making a single bottle last throughout the entire season.
Frequency of Use
Consistent use prevents fuel degradation and keeps small engines running smoothly without issues.

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.

In terms of ease of use, the product is straightforward—simply add 1 ounce per 10 gallons of fuel before filling up. This makes it convenient to use regularly, which is recommended for maintaining year-round protection during in-season operation. The bottle is concentrated and can treat up to 320 gallons, so it offers good value.

If you own a boat, jet ski, or similar watercraft, this additive is reliable and easy to use, effectively tackling water issues, protecting against corrosion, and supporting engine efficiency. It combines water removal with fuel system cleaning, making it a useful all-in-one product within its category.

Rating
10.0
Chosen by1,485
Compatibility
Water Removal Efficiency
Additive Benefits

Most important from
7631 reviews

Compatibility
Effectively stops fuel separation immediately, providing reliable ethanol defense for marine engines.
Water Removal Efficiency
Essential for maintaining engine performance and preventing gum buildup, rust, and corrosion in marine fuel systems.
Additive Benefits
Cleans fuel injectors and protects carburetors from ethanol damage, especially in engines not used frequently.
Ease of Use
A small, concentrated dose treats 10 gallons of fuel, making a single bottle last throughout the entire season.
Frequency of Use
Consistent use prevents fuel degradation and keeps small engines running smoothly without issues.
#2

STP Water Remover, All Season Cleaner for Cars & Truck, Bottles, 5.25 Fl Oz, Pack of 12, 78572-12PK

Rating
9.1
Additive Benefits

Most important from
736 reviews

Additive Benefits
Noticeable improvement in gas mileage and idling, making the investment worthwhile.

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.

One of the standout features is its compatibility with cap-less gas systems, ensuring that it can be used in modern vehicles without any hassle. It helps maintain optimum performance and keeps fuel injectors clean, which is beneficial for long-term engine health.

There are a few drawbacks to consider. While the STP Water Remover is easy to use, it does require regular application to be most effective, which might be inconvenient for some. Those looking for a more comprehensive fuel treatment might find this product somewhat limited since it focuses primarily on water removal.

Rating
9.1
Additive Benefits

Most important from
736 reviews

Additive Benefits
Noticeable improvement in gas mileage and idling, making the investment worthwhile.
#3

Power Service 09280-06 Clear-Diesel Fuel & Tank Cleaner - 80 oz.

Rating
8.5
Water Removal Efficiency
Frequency of Use

Most important from
335 reviews

Water Removal Efficiency
Effectively removes slime buildup in diesel fuel tanks, preventing clogging and stalling.
Frequency of Use
Has kept fuel clean and prevented issues for years, proving its reliability.

The Power Service 09280-06 Clear-Diesel Fuel & Tank Cleaner is designed to enhance the performance of diesel engines by effectively removing water and contaminants from fuel tanks. One of its key strengths is its compatibility with all types of diesel fuels, including Ultra Low Sulfur Diesel and biodiesel blends, making it versatile for various users. Its water removal efficiency is notable, as it helps prevent fuel-filter plugging and protects against corrosion, which can save users from potential costly repairs down the line.

Another advantage is the inclusion of the Petro Fresh additive, which ensures long-term fuel stability, a great feature for those who store diesel fuel for extended periods. Additionally, it can be used alongside Bio Kleene Diesel Fuel Biocide to address microbial contamination, making it a comprehensive solution for maintaining fuel quality.

There are a few considerations to keep in mind. While the product is easy to use, some users might find the required frequency of use to maintain optimal performance slightly demanding, especially if they’re not familiar with regular maintenance of their diesel engines. Additionally, it may not work as effectively in extreme conditions or heavy contamination scenarios without proper follow-up treatments. For diesel vehicle owners, especially those who often deal with fuel storage or live in areas prone to water contamination, this product can be quite beneficial. It stands out for its effective performance, ease of use, and ability to work with various fuel types. However, as with any additive, results may vary depending on the specific conditions of the fuel system it is applied to.

Rating
8.5
Water Removal Efficiency
Frequency of Use

Most important from
335 reviews

Water Removal Efficiency
Effectively removes slime buildup in diesel fuel tanks, preventing clogging and stalling.
Frequency of Use
Has kept fuel clean and prevented issues for years, proving its reliability.

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.

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