Top 10 Holding Tank Treatment – All-Purpose Household Cleaners

As an Amazon Associate I earn from qualifying purchases.

1. Kronen


Kronen KHT003 Slant Handle Holding Tank Treatment, 128 oz.

Kronen #ad - Made in USA. Destroys Odor on Contact. Nature Safe. Formaldehyde Free. Effective for RV, Marine and Septic Tanks.
BrandKronen #ad
ManufacturerKronen #ad
Height4.5 Inches
Length10 Inches
Weight0.03 Pounds
Width7 Inches
Part NumberKHT003

2. Cabin Obsession


24 Easy Flush Self-Dissolving RV Black Tank Treatment Packets, Eliminate Odors and Break Down Waste Within Your RV Holding Tank, RV Toilet Treatment Drop Ins

Cabin Obsession #ad - That’s a promise! Trust us, your nose will thank you! the science behind how it works – unlike rv toilet chemicals, each self-dissolving packet contains natural enzyme deodorizers and waste digesters that decompose waste within your rv septic tank, while at the same time releasing a fresh fragrance similar to clean laundry or a natural deodorizer spray! Easy to use… ready, set, flush! – just drop the biodegradable packet into the toilet and flush.

Risk-free money back guarantee, & world class customer service – we’re so sure you’re going to love our camper toilet treatment, you can try it out today completely risk-free! If you’re not happy for any reason, and we’ll quickly make it right, just contact us within the first sixty days, or give your good money back. Works in all seasons regardless of temperature.

That’s it! just one packet treats up to a 40 gallon tank. Safe for all tanks, & works during all seasons - Completely non-toxic and formaldehyde free camper toilet treatment won't damage your holding tank. Eliminate odor & break down waste – our highly concentrated rv black tank treatment packs break down waste and eliminate odors from your camper holding tank better than the leading brand. For larger tanks or heavier use, start with 2-3 rv treatments at the beginning of your trip.
BrandCabin Obsession #ad
ManufacturerCabin Obsession #ad
Height3 Inches
Length3 Inches
Width3 Inches

3. Century Chemical


1 Gallon, Century Chemical 19961-GL Travel Jon Holding Tank Deodorizer/Cleaner

Century Chemical #ad - Non-formaldehyde. Safe for all septic and municipal systems. Neutralizes odor causing compounds. Deodorizes and helps break down waste and tissue. Biodegradable.
BrandCentury Chemical #ad
ManufacturerCentury Chemical #ad
Height8 Inches
Length12.5 Inches
Weight9.5 Pounds
Width5 Inches
Part Number19961-GL

4. Septic Treatment by Cabin Obsession


Best Way to Prevent Expensive Sewage Backups, 1 Year Supply of Dissolvable Easy Flush Live Bacteria Packets 12 Count, Septic Tank Treatment, Made in USA

Septic Treatment by Cabin Obsession #ad - Scientifically selected bacteria cultures. Protect your septic system in just one flush. Prevents expensive septic backups and repairs. Your nose will thank you! A small investment in our septic tank treatments help to prevent clogs and bulky buildup that causes septic overflow. All natural, environmentally friendly, and both aerobic and anaerobic septic systems, any black water system or cesspool, with no chemical additives.

Eliminates odor, and great for your rv and boat too. The billions of bacteria in each packet digest solid waste, converting it to liquid, preventing costly repairs and frequent pumping. Each packet contains billions of active bacteria that feed on septic waste and energize septic tank enzymes that decompose matter and counteract household chemicals found in the sludge layer and scum layer of your septic tank, and even out into the leach field. Each flushable septic treatment packet is all natural, so flush each packet down your toilet with absolute confidence! Not only is this the best way to maintain a healthy residential septic system, but our concentrated formula dissolvable enzyme pouches are also ideal for use in marine holding tanks and camper toilets too! And because of the advanced digestion rate of odor causing bio organic wastes, they aid in controlling and getting rid of bad smells too.

The advanced digestion rate of our natural bacteria & enzyme packets works to quickly break down and digest solid waste, paper, fiber, grease, and other organic matter to keep your septic system flowing smoothly. They’re safe for all home plumbing lines, & MADE IN THE USA.
BrandSeptic Treatment by Cabin Obsession #ad
ManufacturerCabin Obsession #ad
Height4.25 Inches
Length5 Inches
Width5 Inches
Part Numberunknown



Eliminates Odors Without Fragrances, ODOR-SHOCK RV Black & Gray Holding Tank Treatment

ODOR-SHOCK #ad - Treats 1920 Gallons of Waste. Odor-shock is 100% biodegradable and will keep black and gray holding and lavatory systems free of sludge and organic build-up and also keeps sensors clean.
ManufacturerAtlas Micro Solutions #ad
Part NumberOS1806

6. Rid-X


48oz, Rid-X RV Toilet Treatment

Rid-X #ad - Septic tank treatment. Rv toilet treatment. Scientifically proven to break down waste and tissue. Citrus scent. Powerful toilet Fragrance.
BrandRid-X #ad
ManufacturerRid-X #ad
Height10.69 Inches
Length2.96 Inches
Weight48 ounces
Width6.19 Inches
Part Number8111961

7. Dometic


Pack of 24, Dometic D1112002 D-Line 3 'N 1 Bowl Cleaner and Tank Treatment

Dometic #ad - Combines air freshener, bowl cleaner, and tank treatment into one product. Pack of 24. Rapidly dissolving packs release effervescent cleaner action. Air-freshening lavender scent.
BrandDometic #ad
ManufacturerDometic #ad
Height4.5 Inches
Length5.75 Inches
Width5.75 Inches
Part NumberD1112002

8. Rid-X


48 oz Pack of 3, RID-X Liquid Holding Tank Deodorizer

Rid-X #ad - Also for use on boats, portable toilets and recirculating toilets. Stop odors instantly and lasts 10 days. All-weather odor control. Deodorizer scavenges for odor-causing molecules and neutralizes them. Biodegradable.
BrandRid-X #ad
Part NumberPPAX1488500



Star brite 72808 Instafresh Holding Tank Treatment, 8 oz, Fresh Pine Scent

STAR BRITE #ad - Breaks down waste and tissue. Bottle. Lubricates drain valves. Formaldehyde-free formula. Eliminates and prevents holding tank odors. Size: 8 oz.
ManufacturerStar brite #ad
Part Number072808

10. Unique Camping & Marine


Packaging may vary, 16 Treatments 32oz, Unique 413-1 RV Digest-It Holding Tank Treatment

Unique Camping & Marine #ad - Digests solids inside tank: immediately starts digesting solid waste and all brands of toilet paper. With regular use, over time, it will dissolve years of heavy sludge and smelly scum.

Prevents clogs, reduces odors, and cleans level gauges. Part of a full line of Unique products designed to digest waste and reduce tank odors under varying conditions. Reverse years of neglect. Reduces odors: helps control foul tank odors. Non-toxic: true eco-friendly, septic systems, formaldehyde-free formula that is safe for your family, and the environment. Trusted: family owned, 100% made in the usa, and trusted by thousands of RVers everyday. Cleans: maintains optimal wastewater systems. The original eco-friendly tank product. Established in 1997.
BrandUnique Camping & Marine #ad
ManufacturerUnique Manufacturing- Home #ad
Height9 Inches
Length3.15 Inches
Weight2 Pounds
Width3.15 Inches
Part NumberRVDI32