Top 9 Grey Water Tank Cleaner – RV Sewer Chemicals & Cleaners

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1. Camco

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40256, Stops Sink Trap Odors, For Use In Drains, Camco TST Lemon Scent RV Grey Water Odor Control, Sink Traps and Waste Vents, Treats up to 16, 40 Gallon Holding Tanks 64 Ounce Bottle

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Camco #ad - 4 ounces treats 40 gallon gray water tank. Fresh lemon scent. Eliminates odors. 64 oz Bottle. Remove grease buildup in your gray water system.
BrandCamco #ad
ManufacturerCamco #ad
Height3.5 Inches
Length9.4 Inches
Weight1 Pounds
Width4.55 Inches
Part Number40256
Model40256

2. Thetford Corp

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

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

3. Thetford

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RV Grey Water Tank Treatment, Thetford 15842, Grey Water Odor Control, 24 oz

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Thetford #ad - Utility: prevents grease build-up in grey water holding tank, eliminating the source of offensive odors. Eliminates grey water odors in RV drains and vents; No chlorine or solvents to damage valve seals.

Pleasant floral scent. Safety: grey water odor control is a 100% biodegradable liquid acting as a deodorant and detergent. Prevents and removes grease build-up. Non-staining, 100 percent biodegradable formula. Convenience: Formulated without chlorine or solvents to damage valve seals. Easy to manage 24 ounce bottle. Versatility: thetford's grey water odor control is designed to eliminate and prevent offensive odors in RV grey water holding tanks, vents, drains, showers, and traps of sinks. Functionality: Dissolves cooking grease and cleaning residues.
BrandThetford #ad
ManufacturerThetford #ad
Height2.5 Inches
Length8.5 Inches
Weight1.69 Pounds
Width3.5 Inches
Part Number15842
Model15842

4. Thetford

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19 oz, Thetford 24545, RV Level Gauge Cleaner

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Thetford #ad - 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. Versatility: thetford's Level Gauge Cleaner is designed to work with RVs and boats. Safety: level gauge Cleaner is 100% biodegradable. Convenience: Formulated to work with grey or black water tanks.
BrandThetford #ad
ManufacturerThetford #ad
Height8.25 Inches
Length2.75 Inches
Weight1.16 Pounds
Width3.75 Inches
Part Number24545
Model24545
WarrantyLIMITED WARRANTY

5. Walex

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Lemon Scent Pack of 5, Walex Elemonate RV Grey Water Deodorizer & Freshener

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Walex #ad - Freshens sink and drain lines. Rapid dissolve tablet. Deodorizes grey tank. Bio-degradable. Dissolves grease and organic sludge from drain lines and grey tank.
BrandWalex #ad
ManufacturerWalex Products Company, Inc #ad
Height9.25 Inches
Length2.01 Inches
Weight0.54 Pounds
Width7.99 Inches
Part NumberELEMBG
ModelELEMBG
Warranty2 years

6. CARAVAN

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

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CARAVAN #ad - Ok to travel and use toilet while soaking. Powerful: 95% successful clearing stuck tank gauges and clogs. Convenient: simply shake, flush and let soak.

Agitation travel, rinsing and longer soak period, pour, while not required will increase cleaning success. Fast: enzymes will immediately begin multiplying. Enzymes break down more complex molecules into something easily digested by the activated cleaners, completely eliminating sewer odor, blockages, sludge, human waste and all brands of household toilet paper. Most tanks clear overnight, but older or poorly maintained tanks with heavy buildup will take longer.
BrandCARAVAN #ad
ManufacturerCaravan #ad
Height5 Inches
Length7.5 Inches
Weight2.31 Pounds
Width2 Inches
Part NumberCAR131

7. Unique

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

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Unique #ad - Won’t damage septic systems. Trusted & effective. One bottle contains more active ingredients than any other leading sensor cleaner. Unique sensor cleaner is simply the strongest, most effective sensor cleaner available.

Reverses years of waste accumulation. Normally works in 12-72 hours. Breaks down & dissolves waste that is clinging to your sensor probes, allowing them to function properly again. Cleans & restores black tank sensors in rv and boat holding tanks. Works on old & new problems. Proudly made in the USA. Powered by the most effective activated bio-enzymatic cleaners available. No driving necessary. Digests solid waste, toilet paper, and residual sludge. Stronger & more powerful.
BrandUnique #ad
ManufacturerUnique #ad
Height9 Inches
Length3.15 Inches
Weight2.25 Pounds
Width3.15 Inches
Part Number41J-1
Model41J-1

8. Unique

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

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Unique #ad - Breaks down solid waste, poop, including toilet paper, and residual sludge - no matter how old it is. Unclogs black tanks in rvs and boats.

Unclogs all types of clogs including pyramid plugs, compacted waste inside black tanks, and blocked plumbing lines. Strongest & most effective cleaner available today. Powered by the most advanced bio-enzymatic blend available. Typically unclogs tanks in 12-72 hours. Contains higher concentrations of activated cleaners than all leading tank cleaners. No driving necessary. Can be used for routine maintenance and deep cleaning. Proudly made in the USA. Solves old & new problems.
BrandUnique #ad
ManufacturerUnique Manufacturing & Marketing #ad
Height9 Inches
Length3.15 Inches
Weight2.25 Pounds
Width3.15 Inches
Part Number41H-1
Model41H-1

9. Camco

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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 Inch

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Camco #ad - Solid section including handle measures 24" long; the flexible section measures 34" long with a 2" diameter nozzle. Easy grip handles with a standard 3/4" female garden hose connection. Flexible section is perfect for use with holding tanks that are offset from the toilet. Powerful rotary cleaning action dislodges and flushes the stubborn waste deposits and odor-causing particles left after holding tank is emptied.
BrandCamco #ad
ManufacturerCamco #ad
Height1.91 Inches
Length27.2 Inches
Weight0.7 Pounds
Width5.1 Inches
Part Number40074-A
Model40074
Warranty1 year against manufacturing defects