Century Chemical 20131-CH Supreme Green Enzyme-Based RV Holding Tank Treatment

The Century Chemical 20131-CH Supreme Green is an enzyme-based holding tank treatment formulated to keep RV and marine black and gray tanks clean, odor-free, and flowing freely. Designed as a modern, eco-conscious alternative to chemical-based treatments, Supreme Green uses natural enzymes to actively break down waste and tissue while eliminating tank odors at the source.

Key Features:

• Enzyme-Based Formula: Naturally breaks down solids, waste, and toilet tissue in black and gray holding tanks
• Odor Elimination: Fights and neutralizes objectionable tank odors with long-lasting freshness
• Drain Valve Lubrication: Helps lubricate and protect drain valves for smooth, reliable operation
• Formaldehyde-Free: Contains no formaldehyde — a safer choice for users and the environment
• Biodegradable: Environmentally responsible formula that is safe for septic and municipal sewer systems
• Eco-Friendly Packaging: Available in reusable and recyclable packaging; water-soluble packets help minimize waste
• RV & Marine Compatible: Suitable for use in RV black and gray tanks, marine holding tanks, and portable toilets

Manufactured by Century Chemical Corporation in Elkhart, Indiana, the Supreme Green line reflects the brand's commitment to effective, sustainable sanitation solutions backed by decades of chemical manufacturing expertise. Whether you're a weekend camper or a full-time RVer, the 20131-CH provides reliable holding tank maintenance without harsh chemicals.