Description
Product Overview
Walex Bio-Fresh Liquid Deodorizer is a high‑performance enzyme formula designed to liquefy solid waste, break down toilet paper, and neutralize unpleasant odors in RV and marine black holding tanks. Packaged in 32 Fl Oz, 64 Fl Oz, and 128 Fl Oz containers, the product is available in two refreshing fragrances—Alpine Fresh and Ocean Mist. Made in the USA, it meets septic‑system safety standards and is non‑staining, ensuring clean, odor‑free experiences on the road or water.
Usage
Ideal for RVs, motorhomes, boats, and portable camping toilets, Bio‑Fresh works in tanks ranging from 2.5 gallons to 40 gallons. Simply pour the recommended amount into the holding tank after each use; the enzymes activate instantly, liquefying waste and eliminating odors. Perfect for long trips, boondocking, and campground stays where waste management is critical.

Why Choose Us
Walex has been a leader in odor control since 1987, delivering reliable, American‑made solutions. Bio‑Fresh combines powerful enzymes with a non‑staining formula, offering a safe alternative to harsh chemicals. Its dual‑scent options cater to personal preferences, and the product’s versatility across tank sizes makes it a go‑to choice for mobile living enthusiasts.
Key Features
- Enzyme‑based formula quickly liquefies waste and toilet paper.
- Neutralizes odors without leaving stains or residue.
- Available in Alpine Fresh and Ocean Mist scents for personalized freshness.
- Safe for septic systems, RV black tanks, and marine holding tanks up to 40 gallons.
- Made in the USA with rigorous quality control standards.
FAQ
How often should I use Bio‑Fresh?
For optimal performance, add the recommended dose after each toilet use. This keeps waste broken down and odors at bay throughout your trip.
Is Bio‑Fresh safe for all tank materials?
Yes, the non‑staining, enzyme‑based formula is safe for plastic, fiberglass, and metal tanks commonly used in RVs and boats.
Can I use Bio‑Fresh in a stationary home septic system?
Absolutely. The product is septic‑system safe and can be used in residential black water tanks as well as mobile applications.
What is the difference between Alpine Fresh and Ocean Mist?
Both provide effective odor control; Alpine Fresh offers a crisp, mountain‑air scent, while Ocean Mist delivers a cool, sea‑breeze fragrance.
Will Bio‑Fresh damage my pump or plumbing?
No. The enzyme blend is gentle on pumps and plumbing, preventing clogs and corrosion while maintaining tank hygiene.




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