Top 9 Holding Tank Cleaner – RV Sewer Chemicals & Cleaners

As an Amazon Associate I earn from qualifying purchases.

1. Thetford

#ad

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

#ad
Thetford #ad - Active enzymatic blend blasts crud and attacks tissue, waste, and grease. Micro-foam action improves surface contact to vertical tank walls. Formulated safe for RV/Marine tanks, plumbing, seals and surfaces. The first 2-in-1 tank cleaner specifically formulated for black/gray water and portable tanks. Cleans overnight - then just dump and go.
BrandThetford #ad
ManufacturerThetford Corp #ad
Height1 Inches
Length8.5 Inches
Weight0.4 Pounds
Width7.5 Inches
Part Number96527
Model96527

2. Unique

#ad

Unique RV Holding Tank Cleaner – 32 oz. | Opens Clogged Black and Gray Tanks in RVs and Boats | Septic and Harbor Safe Formula | Works Overnight to Open Backed-Up Tanks

#ad
Unique #ad - No driving required in most situations. Forget taking your unit in and spending hundreds of dollars at the dealership! One bottle will open clogged holding tanks quickly and easily! Works in 24 hours to unclog most clogged holding tanks. Safely releases clogs from pyramid plugs, struvite buildup, paper waste, sludge, and grease.

Its septic and harbor safe formula employs powerful non-pathogenic probiotics bacteria found safely in nature to rapidly break up clogs and blockages. Opens clogged holding tanks in rvs and boats save money and grief by restoring you tanks with Unique Tank Cleaner. Easy as that! dissolves paper, grease, and solid waste tank cleaner uses a proprietary blend of incredibly strong naturally-occurring microbes and enzymes to liquefy the backed-up waste that is clogging your RV or boat holding tank.

Unique tank Cleaner is your easy and affordable solution! Don’t freak out if your tank gets clogged. No manual cleaning required! Non-toxic & earth friendly tank cleaner contains no harsh or dangerous chemicals. Just pour one bottle of tank cleaner and a few gallons of warm water into your tank and let Tank Cleaner do the work in 12-24 hours. When you open your valve you’ll have clean tanks that dump easily.
BrandUnique #ad
ManufacturerUnique Natural Products #ad
Height9 Inches
Length3.15 Inches
Weight2.25 Pounds
Width3.15 Inches
Part Number41H-1
Model41H-1

3. Unique

#ad

Unique RV Digest-IT Holding Tank Treatment 16 Treatments, 32 oz.

#ad
Unique #ad - Reverse years of neglect. With regular use, over time, it will dissolve years of heavy sludge and smelly scum. Digests solids inside tank: immediately starts digesting solid waste and all brands of toilet paper.
BrandUnique #ad
ManufacturerUnique Manufacturing & Marketing #ad
Height9 Inches
Length3.15 Inches
Width3.15 Inches
Part Number413-az
Model413-az

4. TANK TECHS RX TOTALLY GREEN TOTALLY CLEAN

#ad

All Natural Probiotics for RV, portable toilets, 33.8 ounce = 68 treatments, RV Holding Tank Treatment & Cleaner, camping, marine, TankTechsRx

#ad
TANK TECHS RX TOTALLY GREEN TOTALLY CLEAN #ad - No formaldehyde - probiotic bacteria eliminate odor and break down waste to liquid. Unscented - eliminates odor without deodorizers. Just ½ ounce per treatment - beneficial bacteria multiply to treat any size tank. Great for black, grey, and galley tanks. All natural, environmentally Friendly, Made in USA.
BrandTANK TECHS RX TOTALLY GREEN TOTALLY CLEAN #ad
ManufacturerTANK TECHS RX TOTALLY GREEN TOTALLY CLEAN #ad
Weight2.4 Pounds
Part NumberTTRx32
ModelTTRx32

5. Camco

#ad

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

#ad
Camco #ad - Powerful rotary cleaning action dislodges and flushes the stubborn waste deposits and odor-causing particles left after holding tank is emptied. Solid section including handle measures 24" long; the flexible section measures 34" long with a 2" diameter nozzle. Easy grip handle with a standard 3/4" female garden hose connection. 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
Weight1.01 Pounds
Width5.1 Inches
Part Number40074-A
Model40074
Warranty1 year against manufacturing defects

6. Thetford

#ad

Thetford 28614, Aqua-Kem RV holding tank treatment, Deodorant / Waste Digester / Detergent, 1 gallon

#ad
Thetford #ad - Safety: the 100% biodegradable waste holding tank treatment is safe even for septic tanks. Versatility: aqua-kem is a powerful waste tank deodorant, suited for RVs and boats, working to eliminate the odors from the tanks.

Performance: formulated to prevent clogging, Aqua-Kem uses a concentrated formula to liquefy waste and break down tissue. Functionality: formulated as a 3-in-1 product, a waste liquefier, eliminating odors, and detergent, the formula holds a powerful deodorant, breaking down waste and cleaning the tank. Convenience: the formula holds a powerful deodorant, efficient in every weather condition.
BrandThetford #ad
ManufacturerThetford #ad
Height11.75 Inches
Length4.75 Inches
Weight9.15 Pounds
Width6.75 Inches
Part Number28614
Model28614

7. Camco

#ad

Formaldehyde Free, Camco TST Ultra-Concentrated Orange Citrus Scent RV Toilet Treatment Drop-Ins, Breaks Down Waste And Tissue, 30-Pack 41183, Septic Tank Safe

#ad
Camco #ad - Quantity: 30 drop ins/container. 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. Ultra concentrated formula: The toughest odor stopper; Just one drop in treats up to a 40 gallon tank. Safe for all septic tanks: Drop Ins are RV and marine approved and are 100% biodegradable. Not made with bronopol: Does not contain the toxic, formaldehyde releasing ingredient bronopol.
BrandCamco #ad
ManufacturerCamco #ad
Height4.76 Inches
Length4.42 Inches
Weight1 Pounds
Width5.87 Inches
Part Number41183
Model41183
WarrantyContact manufacturer

8. HAPPY CAMPERS

#ad

64 Treatments, HAPPY CAMPERS Organic RV Holding Tank Treatment

#ad
HAPPY CAMPERS #ad - Odor free: eliminates odors in the RV holding tank. 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. Biodegradable, environmentally friendly, septic tank friendly. Effective: in extreme hot & cold temperatures over 100°. Absolutely no chemical or sewer smell.
BrandHAPPY CAMPERS #ad
ManufacturerRV Concepts #ad
Part NumberHC-64-oz
ModelHC-64

9. HAPPY CAMPERS

#ad

18 treatments, Happy Campers Organic RV Holding Tank Treatment

#ad
HAPPY CAMPERS #ad - Effective: in extreme hot and cold temperatures over 100° F. Liquify: waste solids and most ordinary household tissue no expensive special tissue needed. Odor free: absolutely no sewer smell.
BrandHAPPY CAMPERS #ad
ManufacturerRV Concepts #ad
Height4.5 Inches
Length3.5 Inches
Width4.25 Inches
Part NumberHC-18-oz
ModelHC-18-oz