Top 10 Best rv holding tank in 2026

Last Updated - 6/26/2026

🏆Best Choice

Camco

Camco TST MAX RV Toilet Treatment Drop-INs - Control Unwanted Odors & Break Down Waste and Tissue - Safe Septic Tank Treatment - Orange Scent, 30-Pack (41183)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Toilet Deodorizer With Reactive Odor-Eliminating Technology: Experience a powerful RV odor eliminator that stops RV black tank odors for up to 7 days. Just (1) toilet drop in treats camper toilets with up to a 40-gallon tank.
•Superior Formulation, Unmatched Performance: Get exceptional results with TST MAX RV tank treatments. The advanced chemistry is safe for septic systems.
•Powerful RV Black Tank Treatment: Eliminate clogs & odors in your camper/marine black water tank with TST MAX. This powerful solution breaks down waste & RV toilet paper, while also aiding in waste digestion for optimal sensor performance.
•Multi-Purpose: This RV accessory is great for boating, full-time/occasional camping, boondocking, & portable camping toilets. Be sure to have this camper must-have with the rest of your camping supplies.
•Made in the USA: Camco’s TST RV toilet chemicals are proudly made in the USA & trusted by RVers and boaters for their holding tank treatment needs.
•Refreshing Scent | Quantity: Enjoy a pleasant, long-lasting citrus scent as you're RVing without worrying about septic tank odors ruining your experience. Each bucket includes (30) Drop-INs.

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$11.62

$24.99

-54%

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Walex

Walex Porta-Pak Black Holding Tank Deodorizer & Portion Control System Drop-Ins - Rapid Breakdown of Waste & Paper, Odor Prevention, Cleans Tank & Sensors - Fresh Scent, 10-Pack

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•WASTE BREAKDOWN - Porta-Pak RV Marine Holding Tank Deodorizer breaks down waste and stubborn RV toilet paper, keeping your holding tank sensors working effectively. No more clogs or backups.
•HOLDING TANK DEODORIZER - Porta-Pak marine and RV holding tank deodorizer tackles unpleasant smells. Say goodbye to embarrassing odors with your boat, camping toilet, and RV toilet tabs.
•VERSATILE FOR ALL TANKS - Our marine and RV tank deodorizer for black tank cleans tanks from 2.5 gallons - 40 gallons. Ideal for RVing, boating, boondocking, and portable camping cassette toilets.
•FRESH 10 PACK - Our marine and RV drop ins for toilets dissolve immediately upon contact with water. Just Drop it in - no messy spills. Non-staining color.
•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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$7.97

$11.99

-34%

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Camco

Camco Rhino 28-Gallon RV Tote Tank - Features Large Heavy-Duty No-Flat Wheels & Built-in Gate Valve - Removable Steel Tow Adapter, 3’ Sewer Hose & More RV Accessories (39004)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Simplify RV Waste Disposal: Make waste disposal hassle-free with Camco's portable waste tank. Easily transport waste from your RV black water tank to a dump station— perfect for when you're parked far away & your RV sewer hose won't reach
•Effortless Design: Haul your waste with ease with no-flat wheels built for any terrain, an oversized handle for easy maneuvering, & a steel tow adapter for effortless towing behind a truck or golf cart
•Tough & Reliable: Measuring 24 1/8" (L) x 14″ (W) x 43 3/4″ (H) and weighing 43 lb, this RV essential is constructed from durable, UV-stabilized blow-molded HDPE. It withstands outdoor use without leaks or sun damage.
•Patented Design Made In The USA: Rhino Tote Tanks are proudly manufactured in the USA with premium materials for unmatched durability. The patented design ensures exceptional craftsmanship and quality
•RV Tote Tank Features: Rhino’s 28-Gallon Tote Tank is equipped with (2) oversized wheels, a large handle, tank rinser, ladder hook, and gate valve for easy use
•Kit Accessories: This kit includes (1) tote tank, (1) 3' sewer hose w/swivel fittings, (1) 15″ female/female grey water hose, (1) clear elbow w/4-in-1, (1) clear double bayonet elbow, (4) storage caps, (2) caps w/lanyards, & (1) steel tow adapter
•Easy To Clean: This RV camping must-have comes with a built-in gate valve for quick emptying. The smooth interior makes cleaning a breeze and the integrated tank rinser ensures a thorough cleanse with minimal effort
•Simple To Store: Hang the portable waste water tank on your camper ladder using the ladder hook. Secure the Camco tote with tie-down straps that fit into grooves on the tank body. The 3' sewer hose compresses for storage

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$189.37

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Camco

Camco Rhino 21-Gallon RV Portable Waste Tank - Features Large Heavy-Duty No-Flat Wheels & Low Drain Hole - Includes Removable Steel Tow Adapter, 3’ Sewer Hose & More RV Accessories (39002)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Simplify RV Waste Disposal: Make waste disposal hassle-free with Camco's portable waste tank. Easily transport waste from your RV black water tank to a dump station— perfect for when you're parked far away & your RV sewer hose won't reach
•Effortless Transport: Haul your waste with ease with no-flat wheels built for any terrain, an oversized handle for easy maneuvering, & a steel tow adapter for effortless towing behind a truck or golf cart
•Tough & Reliable Measuring 20 1/8″ (L) x 12 1/2″ (W) x 40″ (H) and weighing 34.5 lb, this RV essential is constructed from durable, UV-stabilized blow-molded HDPE. It withstands outdoor use without leaks or sun damage.
•Patented Design Made In The USA: Rhino Tote Tanks are proudly manufactured in the USA with premium materials for unmatched durability. The patented design ensures exceptional craftsmanship and quality
•RV Tote Tank Features: Rhino’s 21-Gallon Tote Tank is equipped with (2) oversized wheels, a large handle, tank rinser, and ladder hook
•Kit Accessories: This kit includes (1) tote tank, (1) 3' sewer hose w/swivel fittings, (1) 15″ female/female grey water hose, (1) clear elbow w/4-in-1, (1) clear double bayonet elbow, (3) storage caps, (2) caps w/lanyards, & (1) steel tow adapter
•Easy To Clean: This RV camping must-have features a drain hole that allows thorough tank emptying. The smooth interior makes cleaning a breeze and the integrated tank rinser ensures a thorough cleanse with minimal effort
•Simple To Store: Hang the portable waste water tank on your camper ladder using the ladder hook. Secure the Camco tote with tie-down straps that fit into grooves on the tank body. The 3' sewer hose compresses for storage

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$156.82

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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)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

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 toilet’s 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, there’s no need to worry about complicated setups. It connects to most garden Hoses with a standard ¾" female connection.

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$29.48

$43.99

-33%

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Thetford

Thetford Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets 96527,White

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•The first 2-in-1 tank cleaner specifically formulated for black/gray water and portable tanks
•Cleans overnight - then just dump and go
•Micro-foam action improves surface contact to vertical tank walls
•Active enzymatic blend blasts crud and attacks tissue, waste, and grease
•Formulated safe for RV/Marine tanks, plumbing, seals and surfaces

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$14.52

$15.83

-8%

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BARKER

BARKER 11104 Tote-Along Tank - 22 Gallon, Blue

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•16 pounds empty
•Blow-molded polyethylene construction and quality zinc plated steel brackets throughout
•Extra large, heavy-duty wheels and standard bayonet fittings included on all tanks except 5 Gallon size
•Tow bracket and 5 foot sewer hose included
•Dimensions: 37 Inch Length x 20 Inch Width x 11 Inch Height

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$133.28

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YITAHOME

YITAHOME 19.8 Gallon Large Capacity Portable Water Holding Tank with Built-in Handle Odorless Tote for Camper with Large Universal Wheels, Filling Port, Rotating Spout for Easy Carry & Fast Empty

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Large capacity: The portable water tank helps transport 19.8 gal (75L) freshwater/sewage from your RV/trailer to other places at a time, greatly saving the time of frequently moving water
•Multiple water injections and drainage outlets: Multiple water outlets help quickly fill the water tank, quickly empty the water tank, or completely wash the tank, which saves you much valuable time
•Level indicator: The liquid level display helps determine when to dump the tank, preventing overflow and guessing when the tank is full
•Easy to move: One person or the elderly can easily move the tank anywhere when it is full of water, with the help of the universal wheel at the top and the large wheel at the bottom
•Integrated design: The integrated camping water tank eliminates the trouble of installation. The rotating pouring spout allows you to empty it quickly without splashing, making each emptying comfortable

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$119.99

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RecPro

RecPro RV Holding Tank | 54" x 22" x 8" | for Black Water Applications | Made in USA (30 Gallon)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Large 30-gallon capacity - Say goodbye to constantly emptying your holding tank. Our holding tank holds a whopping 30 gallons, giving you peace of mind on your next RV trip.
•Proudly made in the USA - Trust in quality and craftsmanship with our holding tank, manufactured by Ameri-Kart Inc right here in the USA. We take pride in providing American-made products for all your RV needs.
•Durable high-density plastic - Constructed from premium polyethylene material, our holding tank is built to last through years of use on the road. It's also rotomolded for added strength and reliability.
•Low adhesion surface - Tired of cleaning out gunk and debris from your holding tank? Our low adhesion surface makes clean-up a breeze, saving you time and hassle.
•Versatility at its finest - Our blank tank is perfect for black water applications, making it a must-have for any RV owner. Choose convenience with our holding tank today!

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$153.95

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ICON

ICON 12425 Holding Tank, HT192A-ED, 70x24x6 1/2, 28 Gal.

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Tough ABS plastic
•Includes 3" spigot fitting
•Four level sensors pre-installed
•Solvent-welded seams
•Designed for quick and simple installation

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$385.24

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