10 Best Rv Sewer Chemicals Cleaners of 2025

Tested and Reviewed: Top 10 Rv Sewer Chemicals Cleaners deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

Unique

Unique Clean-It RV Black Tank Deep Cleaner Liquid - Effectively Resets Dirty RV Black Tanks - Eliminates Odors and Waste (32 oz)

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Editor's bottom line:

“This rv sewer chemicals cleaners is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

New and improved formula! Using Clean-It is like power-washing your black tank. Works in 48-72 hours, no driving required. Cleans more effectively than a black tank cleaning wand!
We took Unique Tank Cleaner, the strongest RV black tank cleaner on the market, and made it even stronger! Clean-It is powered by billions of enzymes and probiotics, and won't damage seals or valves.
Helps eliminate those persistent porta potty odors and prevent compacted tanks and clogged pipes. Cleans even the corners and crevices of your black tank.
Works on old and new problems. Breaks down solid waste, toilet tissue, and sludge in your RV or boat black tank. Digests all brands of household and RV toilet paper. Home and campground septic safe.
Clean-It is Unique. Family-owned, formulated, and manufactured in Arvada, CO. Campground- and home-septic safe. California compliant. Recommended by RV techs. Carried by thousands of retailers from coast to coast.

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Picked by 259 people today

9.5

Walex

Walex Commando RV Black Holding Tank & Sensor Cleaner - Eliminates Waste & Paper Buildup, Restores Sensor Function, Lubricates Valves & Seals, Advanced Enzyme Formula; Dissolvable Packets, 4 Count

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Main Highlights

CLEANS RV HOLDING TANK AND SENSORS - The RV black tank and sensor cleaner helps restore sensor function and lubricates valves and seals, ensuring your RV's black tank functions smoothly.
ELIMINATES WASTE BUILDUP - The RV tank cleaner eliminates waste and paper buildup from tank walls and sensors in 12 -24 hours. For stubborn issues, Commando can be safely used for a week or longer.
ADVANCED ENZYME POWER - Our super-concentrated formula contains powerful natural enzymes, breaking down waste and paper ensuring a thorough cleanse for your RV black holding tank.
EFFORTLESS MAINTENANCE - The RV holding tank cleaner is septic system safe. Continued use of Commando every 3 months will help keep your black tank and sensors in good working condition.
MADE IN USA - Walex has been a global leader in developing and manufacturing premium odor control and sanitation products since 1987.

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9.5

Unique

Unique Scrub-It RV Toilet Bowl Cleaner Liquid - Helps Remove Stink, Stains and Debris - Safe on All Toilet Types (24 oz)

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Main Highlights

Specifically designed for RV and boat toilets. Removes rings, stains and debris from toilet bowls. A hybrid of a liquid and a gel, clings and coats just enough to let the enzymes get to work.
Eliminates urine smell from toilet bowls using a tank-enhancing bio-enzymatic cleaner formula. Free from bleach and caustic chemicals. Unscented and emits no VOCs.
Enhances RV black tanks by injecting beneficial probiotics and enzymes into black tanks, helping break down and eliminate human waste and household or RV toilet paper. Home and campground septic safe.
Scrub-It will not damage seals, valves or gaskets and will actually help lubricate them. Safe for porcelain, ceramic and plastic bowls in RVs and boats, complies with all state dumping laws.
Scrub-It is Unique. Family-owned, formulated, and manufactured in Arvada, CO. Campground- and home-septic safe. California compliant. Recommended by RV techs. Carried by thousands of retailers from coast to coast.

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Best Value

9.2

Save 28%

Xoxocos

Xoxocos Upgrade Camper/RV Tank Flexible Swivel Stick Rinser 62", 14TPI Hoses RV Toilet Treatment, Black Sewer Holding Tank Water Flush Cleaner, Powerful Cleaning 360° Rotary Nozzles, Ergonomic Handle

28% OffFree Shipping

Main Highlights

NOT FIT Garden Hoses: If you want to connect to a garden hose, purchase a US standard adapter separately. The thread pitch is 11.5 TPI (Threads per inch). Our RV Tank Flexible Swivel Stick Rinser is 14TPI (fine threaded), and it is only for RVs.
Powerful Rotary Cleaning: The higher the water pressure, the better the effect. RV Tank Flexible Swivel Stick Rinser is perfect for use with holding tanks that are offset from the toilet, it is easy to clean the black water tank, remove odor, and clean the sensor to get it back to work.
360° Rotary Nozzles: 360-degree free rotation with high-impact power makes cleaning around the black water tank easier. The RV Tank Flexible Swivel Stick Rinser from the power nozzle of this wand easily removes trash and debris and smells fresh.
Easy To Use and Flexible Reach: No need to worry about complicated setups, it easily attaches to most garden hoses with a standard ¾" female connection. Anual control switch, easy to control the water flow.
Long-lasting and reliable: Made of stainless steel, with no rust, strong and sturdy. Which is not easy to age in cold and hot environments and has a longer service life.
Fit Most Needs & Most Tanks: 62" length accommodates a wide range of RV and camper tank sizes, ensuring complete black water tank coverage.

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9.0

ACTIVE

RV Black Tank Treatment Toilet Chemicals - 16 Treatments Waste Digester for Holding Tank, Gray Water Tank in RVs, Campers & Boat - Camper Toilet Sensor Cleaner, Sewer Deodorizer, 32oz - Made in USA

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Main Highlights

Concentrated Liquid Formula: ACTIVE RV Black Tank Treatment contains 16 Uses in a portable 32 oz bottle. Simply pour 2oz in your camper toilet or tank and flush. Compare to Packets, Drop Ins, Deoderizer pods, Tabs, Accessories and other Camp sanitation supplies.
Powerful Enzymes & Bacteria: Designed to Digest & Liquefy Toilet Paper, Waste, Tissue, Grease and Sludge. Enzyme Formula to Clean, and Probiotics to Maintain.
Prevent Stinky Situations: ACTIVE Black Tank Treatment for RVs is a science-proven odor eliminator. Maintain sensor probes, and prevent clog and pyramid plugs.
Works with All Holding Tanks: Suitable for all Black and Grey Water Tanks in RV, Camper, Marine, Porta Potty, Cassette Toliet or other unique camp waste solutions. Compatible with Thetford Camco Airstream Winnebago Jayco Starcraft and more
Proudly Made in USA: ACTIVE Cleaners are 100% Manufactured in the US with Campers and RVers in mind. Safe for Campgrounds, Septic Systems, and uses only CA Compliant chemical ingredients.

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8.8

Firebelly Outfitters

Firebelly Outfitters - RV Deodorizer & Septic Treatment Pods - Portable Toilet Chemicals, Marine Camper Sewer Cleaner, Odor Neutralizer, Formaldehyde-Free Holding Tank Solution - 20 Mulberry Packets

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Main Highlights

POWERFUL & EASY-TO-USE RV WASTE TREATMENT Say goodbye to odors and clogs with our Mulberry-scented septic tank deodorizer! Each of the 20 biodegradable packets is packed with powerful enzymes to break down waste, liquify toilet paper, and clean tank walls. Just drop one packet per 40-gallon tank into your RV, camper, boat, or portable toilet no mess, no stress!
ULTIMATE RV BLACK TANK CLEANER & DEODORIZER Keep your RV plumbing flowing smoothly with our fast-dissolving treatment. Designed to liquify tough waste and toilet paper, it prevents clogs and ensures easy wastewater disposal. Perfect as an RV black tank treatment, portable potty deodorizer, or camper holding tank cleaner an essential for any camping trip!
TRIPLE-ACTION ODOR ELIMINATION Enjoy fresh, odor-free camping adventures with our super-concentrated formula! Using advanced triple molecular technology, our treatment neutralizes even the strongest smells while lasting longer than ordinary tank cleaners. With 20 treatments per bag, youll keep your tanks fresh, your toilet clean, and your travels worry-free.
SAFE, BIODEGRADABLE & FORMALDEHYDE-FREE Love camping and the great outdoors? So do we! Thats why our septic treatment is Formaldehyde-free, eco-friendly, and safe for your RV plumbing system. Whether you have a motorhome, 5th wheel, or marine tank, this treatment is better for you, your RV, and the environment because camping should be guilt-free.
PERFECT CAMPING COMPANION Whether youre off on a weekend adventure or a full-time RV lifestyle, our holding tank treatment is your trusty companion. Its portable, easy to use, and ensures your RV stays clean and fresh. Ideal for travel trailers, camping toilets, porta-potties, and more because you deserve a hassle-free trip every time!

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8.6

Liquified RV Toilet Treatment

Liquified RV Sensor Treatment - RV Black Tank Sensor Cleaner, Highly Concentrated Formula, Deep Clean RV Grey Tanks, Dissolves Waste, Proudly Made in USA

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Main Highlights

Super Concentrated Formula: Our RV tank sensor cleaner is designed with a potent formula that ensures maximum cleaning with minimal usage. Perfect for frequent RV users looking for efficient and effective cleaning solutions.
Deep Clean RV Tanks: This RV sensor cleaner is uniquely formulated to provide a deep clean to your RV tanks. It penetrates grime and dissolves waste, ensuring a clean and odor-free tank.
Clean Tank Sensors: Our sensor RV cleaner not only cleans the tank but also fixes sensors. Regular use can help maintain optimal sensor performance, allowing for accurate readings.
Dissolve Waste: With its powerful ingredients, our RV treatment is designed to dissolve waste, reducing buildup and preventing clogs. This makes it an essential part of your RV maintenance routine.
Made in USA: Proudly manufactured in the USA, our RV black tank sensor cleaner meets the highest quality standards. We ensure every bottle provides the deep clean your RV tank and sensors need.

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8.3

Thetford

Thetford RV Level Gauge Cleaner, 19 oz - Thetford 24545 , white

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Main Highlights

[VERSATILITY]: Thetford's Level Gauge Cleaner is designed to work with RVs and boats
[FUNCTIONALITY]: Dissolves tissue sludge and soap scum build-ups, restoring level sensor operation fast
[UTILITY]: Prevents build-ups on probe and tanks, when used regularly
[CONVENIENCE]: Formulated to work with grey or black water tanks
[SAFETY]: Level Gauge Cleaner is 100% biodegradable

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8.1

Unique

Unique Restore-It RV Black Tank Sensor Cleaner Liquid - Cleans and Restore Misreading Sensor Probes by Removing Stuck-On Waste - 2 Treatments Per Bottle (32 oz)

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Main Highlights

Black tank sensor probe and level gauge cleaner for RV holding tanks. Cleans and restores misreading sensors. Typically works in 48-72 hours, no driving is necessary. Formerly Unique Sensor Cleaner.
Breaks down and dissolves waste and toilet paper build-up that is clinging to your sensor probes, allowing them to function properly again. Specifically designed for black water holding tanks.
Works on problems no matter how old or new they are--even in permanently parked RVs! Effectively reverses years of waste accumulation. Digests solid waste, toilet tissue, and residual sludge.
Contains the strongest, most effective bio-enzymatic cleaners available. One bottle contains more active ingredients than any other leading sensor cleaner. Won't damage or degrade seals or valves.
Restore-It is Unique. Family-owned, formulated, and manufactured in Arvada, CO. Campground- and home-septic safe. California compliant. Recommended by RV techs. Carried by thousands of retailers from coast to coast.

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8.1

Save 23%

Camco

Camco Camper/RV Holding Tank Swivel Stik Rinser - Features Powerful Rotary Cleaning Action & 34-Inches of Flexible Reach - Easy-to-Use RV Black Tank Cleaner (40074)

23% OffFree Shipping

Main Highlights

Powerful Rotary Jet-Cleaning Action: Enjoy superior cleaning power with this RV tank cleaner. Powered with water jet action, it blasts through stubborn waste and odors in your RV toilets black tank, keeping it clean & smelling fresh!
Superior Reach: Easily reach offset basement tanks. The 34" flexible section effortlessly reaches even the hardest to access areas of your RV waste tank. It also features a solid 24" section & 2" diameter nozzle for superior cleaning coverage.
Precise Flow Control: Blast away stubborn waste deposits with ease, especially in tight spaces. This camping Accessory features a 1/4-turn shutoff valve for efficient water control.
Ergonomic Grip: Built For comFort, the Easy Grip handle fits naturally in your hand, reducing fatigue.
Durable Construction: This RV essential is built to last. All moving parts are made from brass For greater reliability and perFormance.
Simple to Use: With this RV must-have, theres no need to worry about complicated setups. It connects to most garden Hoses with a standard ¾" female connection.

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Our Best Overall Choice

Best Choice

9.7

Unique

Unique Clean-It RV Black Tank Deep Cleaner Liquid - Effectively Resets Dirty RV Black Tanks - Eliminates Odors and Waste (32 oz)

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

New and improved formula! Using Clean-It is like power-washing your black tank. Works in 48-72 hours, no driving required. Cleans more effectively than a black tank cleaning wand!
We took Unique Tank Cleaner, the strongest RV black tank cleaner on the market, and made it even stronger! Clean-It is powered by billions of enzymes and probiotics, and won't damage seals or valves.
Helps eliminate those persistent porta potty odors and prevent compacted tanks and clogged pipes. Cleans even the corners and crevices of your black tank.
Works on old and new problems. Breaks down solid waste, toilet tissue, and sludge in your RV or boat black tank. Digests all brands of household and RV toilet paper. Home and campground septic safe.
Clean-It is Unique. Family-owned, formulated, and manufactured in Arvada, CO. Campground- and home-septic safe. California compliant. Recommended by RV techs. Carried by thousands of retailers from coast to coast.

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