Top 10 black Water Tank Cleaner – RV Sewer Chemicals & Cleaners

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1. Unique


Unclogs RV Holding Tanks, Breaks Through Pyramid Plugs, 41H-1, Unique Tank Cleaner Liquid for RV and Boat Black Holding Tanks 32 oz.

Unique #ad - Typically unclogs tanks in 12-72 hours. Breaks down solid waste, poop, including toilet paper, and residual sludge - no matter how old it is. Powered by the most advanced bio-enzymatic blend available. Clears all types of clogs including pyramid plugs, compacted waste inside black tanks, and blocked plumbing lines. Can be used for routine maintenance and deep cleaning. Unclogs black tanks in rvs and boats. No driving necessary. Contains higher concentrations of activated cleaners than all leading tank cleaners. Solves old and new problems.
BrandUnique #ad
ManufacturerUnique Manufacturing & Marketing #ad
Height9 inches
Length3.15 inches
Weight2.25 Pounds
Width3.15 inches
Part Number41H-1

2. Walex


Walex Commando RV Black Holding Tank and Sensor Cleaner Drop-Ins, 4-Pack 1 Year Supply, Ocean Mist Scent

Walex #ad - Removes waste and Paper from the Tank Walls. Easy to use Dissolvable Packet. Restores Sensor Function. Cleans entire tank in 12 to 24 hours. Septic System Safe. Advanced super-Concentrated Enzyme Formula.
BrandWalex #ad
ManufacturerWalex Products Company, Inc #ad
Height2 Inches
Length8 Inches
Weight0.3 Pounds
Width5 Inches
Part NumberCMDOBG
Warranty2 Years

3. Unique


41J-1, Unique Sensor Cleaner Liquid for RV and Boat Black Water Holding Tanks 32 oz.

Unique #ad - One bottle contains more active ingredients than any other leading sensor cleaner. Proudly made in the USA. Cleans & restores black tank sensors in rv and boat holding tanks.

Works on old & new problems. Reverses years of waste accumulation. Won’t damage septic systems. No driving necessary. Trusted & effective. Breaks down & dissolves waste that is clinging to your sensor probes, allowing them to function properly again. Powered by the most effective activated bio-enzymatic cleaners available. Stronger & more powerful. Digests solid waste, toilet paper, and residual sludge. Unique sensor cleaner is simply the strongest, most effective sensor cleaner available. Normally works in 12-72 hours.
BrandUnique #ad
ManufacturerUnique Manufacturing & Marketing #ad
Height9 Inches
Length3.15 Inches
Weight2.25 Pounds
Width3.15 Inches
Part Number41J-1

4. Accelerator by Dr. Pooper


Dr Pooper Accelerator RV Black Water Tank Cleaner, Environment Friendly, Easy Flush & Self Dissolving, RV & Boat Toilet Treatment, 20 Tablets, Eliminates Odors & Breaks Down Organic Solid Waste

Accelerator by Dr. Pooper #ad - Pooper are easy to use. These rv toilet tablets do not expire so you can store them for as long as you like. In case of any questions or queries, feel free to contact us anytime. No more stinky odors: whether you are on the road or giving your RV a little rest in the storage, our rv black tank treatment eliminates foul odor from black water & grey water tanks.

Simply flush one tablet into your black water tank after cleaning and/or every 2 or 3 days or put one into the black water tank either way is fine. Pooper was developed from commercial products designed for the safe and environmentally friendly cleaning and maintenance of RV black water & grey water tanks. Purchase with confidence: accelerator by dr. The increased reproduction and natural activity of bacteria lead to fast and effective clearing of organic solids.

What you get: the package includes a total of 20 tablets that will last for 40-60 days, depending on use mostly, how many people are using the facilities. Bio-accelerated cleaning solution: the rv black water tank cleaner super-activates the reproduction and activity eating of natural bacteria BY 10 to 40 TIMES. Easy to use: rv black tank tablets from dr. It also works great in camp latrines, pet waste disposal systems, and park & rec facilities.
BrandAccelerator by Dr. Pooper #ad
ManufacturerDr. Pooper Enterprises, LLC #ad
Height1.25 Inches
Length6 Inches
Width1.25 Inches

5. Unique


32 oz., 441-1, Unique Marine Digest-It Boat Black Water Holding Tank Deodorizer 16 Liquid Treatments

Unique #ad - Powerful bio-enzymatic cleaners work to eradicate odors. Dissolves paper and solid waste before it can cling to tank sensors and level gauges, preventing misreads. Strongest all-around treatment.

Get maximum results from a treatment that you can trust around your family and pets. Breaks down waste and eliminates odors in holding tanks. Digests solid waste inside tanks. Liquifies sewage, all brands of toilet paper and residual sludge from years of build-up in black, gray and galley tanks for easier, more thorough pump outs. Eliminates foul tank odors at their source without masking with overpowering fragrances.

Helps prevent sensor malfunction. No worries! Contains no formaldehyde. Proudly made in the USA. Proprietary formula contains billions of activated bio-enzymatic cleaners in each treatment. No hidden chemical ingredients. Works in salt water systems! Trusted & effective formula. No overpowering fragrances.
BrandUnique #ad
ManufacturerUnique Manufacturing & Marketing #ad
Height9 Inches
Length3.15 Inches
Weight2.01 Pounds
Width3.15 Inches
Part Number441-1

6. Camco


55-1/2 Inch, Camco RV Flexible Swivel Stik with Shutoff Valve, Creates Powerful Cleaning Action that Dislodges and Flushes Stubborn Waste Deposits and Combats Odors 40074

Camco #ad - Easy grip handles with a standard 3/4" female garden hose connection. Solid section including handle measures 24" long; the flexible section measures 34" long with a 2" diameter nozzle. Powerful rotary cleaning action dislodges and flushes the stubborn waste deposits and odor-causing particles left after holding tank is emptied. Flexible section is perfect for use with holding tanks that are offset from the toilet.
BrandCamco #ad
ManufacturerCamco #ad
Height1.91 Inches
Length27.2 Inches
Weight0.7 Pounds
Width5.1 Inches
Part Number40074-A
Warranty1 year against manufacturing defects

7. Happy Campers


64 treatments, Happy Campers RV Holding Tank Treatment

Happy Campers #ad - Extended dump interval: Keeps on working don't have to add more before dumping. Liquify: waste solids & most ordinary household tissue no expensive special tissue needed. Absolutely no chemical or sewer smell. Odor free: eliminates odors in the RV holding tank. Septic tank friendly. Effective: in extreme hot & cold temperatures over 100 Deg.
BrandHappy Campers #ad
ManufacturerRV Concepts #ad
Part NumberHC-64-oz

8. Thetford Corp


White Pack of 4, 1.6 oz., Thetford 96527 Blaster Holding Tank Cleaner Pouches

Thetford Corp #ad - Micro-foam action improves surface contact to vertical tank walls. Formulated safe for RV/Marine tanks, plumbing, seals and surfaces. Cleans overnight - then just dump and go. The first 2-in-1 tank cleaner specifically formulated for black/gray water and portable tanks. Active enzymatic blend blasts crud and attacks tissue, waste, and grease.
BrandThetford Corp #ad
ManufacturerThetford #ad
Height1 Inches
Length8.5 Inches
Weight0.11 Pounds
Width7.5 Inches
Part Number96527

9. Camco


Camco TST MAX RV Toilet Treatment Drop-INs | Control Unwanted Odors and Break Down Waste and Tissue | Septic Tank Safe | Orange Scent | 30-pack 41183

Camco #ad - Great smell: Fresh citrus scent. Essential for rv black water holding Tanks: Eliminates odors and helps break down waste and tissue in your RV's black water holding tank. Not made with bronopol: Does not contain the toxic, formaldehyde-releasing ingredient bronopol. Ultra-concentrated formula: The toughest odor stopper; just one drop-in treats up to a 40-gallon tank. Quantity: 30 drop-ins/container. Safe for all septic tanks: drop-Ins are RV and marine approved and are 100% biodegradable.
BrandCamco #ad
ManufacturerCamco #ad
Height4.76 Inches
Length4.42 Inches
Weight1 Pounds
Width5.87 Inches
Part Number41183
WarrantyContact manufacturer



RV & marine, enzyme formula, bio-enzymatic plumbing solution, clear toilet and tank clogs, black tanks, Caravan RV Sensor and Tank CLEANER, Fix sensors

CARAVAN #ad - Safe for people, waterways, pets, septic tank, environment. Most tanks clear overnight, but older or poorly maintained tanks with heavy buildup will take longer.

Fast: micro-organisms will immediately begin multiplying, blockages, sludge, completely eliminating sewer odor, as bacteria reproduces it creates enzymes. Agitation travel, while not required will increase cleaning success. Enzymes break down more complex molecules into something bacteria can eat, human waste and all brands of household toilet paper. Ok to travel and use toilet while soaking. Powerful: 95% successful clearing stuck tank gauges and clogs. Convenient: simply shake, rinsing and longer soak period, pour, flush and let soak.
BrandCARAVAN #ad
Height5 Inches
Length7.5 Inches
Width2 Inches
Part NumberCAR131