Founded in 1926 and headquartered in Elkhart, Indiana, Century Chemical Corporation is a leading U.S. manufacturer of high-quality sanitation and maintenance products. Serving the RV, marine, aviation, and industrial markets, Century Chemical is known for its dependable formulas that meet rigorous performance standards while being safe and easy to use.

Their extensive product line includes holding tank treatments, cleaning agents, deodorants, descalers, and specialty chemicals—all engineered and produced in the United States. Every batch is manufactured under strict quality control to ensure consistency, safety, and effectiveness in even the most demanding environments.

Century Chemical takes pride in supporting American jobs and maintaining a strong domestic manufacturing presence. From recreational vehicle owners to industrial maintenance teams, customers nationwide trust Century Chemical for solutions that work the first time, every time. Their long history of innovation and commitment to quality has made them a respected name in sanitation and chemical maintenance products.



Tackle tough holding tank odors on road or water with a concentrated liquid treatment that delivers long‑lasting freshness. Formulated to deodorize while helping break down tissue and waste, it keeps living spaces more comfortable so you can focus on the journey. 

Easy to use and cost‑effective, each application requires only 2 ounces. The liquid blue formula contains detergent to help keep tanks cleaner, and it’s safe for all septic and municipal systems—so you get performance without harsh formaldehyde. ()

This value 3‑pack of 8 oz bottles is perfect for weekend getaways or extended trips, giving you multiple treatments on hand in a compact, spill‑resistant format that stores neatly in RVs and boats. Recommended for recreational and marine holding tanks. ()

Proudly manufactured in Elkhart, Indiana, this treatment reflects a commitment to quality you can count on when exploring America’s highways, campgrounds, and waterways. Choose a product made here at home and enjoy cleaner tanks, fresher cabins, and worry‑free adventures. ()

RV Holding Tank Deodorizer/Cleaner, 8 oz, 3-Pack

Waste Water & Sanitation

Sewer Chemicals & Cleaners

Keep RV and marine holding tanks fresh with this concentrated liquid treatment. Non-formaldehyde, biodegradable formula neutralizes odors, helps break down waste and tissue, and includes detergent—just 2 oz per treatment; three 8 oz bottles per pack. 

RV Holding Tank Deodorizer/Cleaner, 8 oz, 3-Pack

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