Smell The Difference with Absolutely No Holding Tank Odors

345x194 Absolute Holding Tank Odor Control image While you hit the open road or chart a new course, enjoying all that nature has to offer is what the RV and Boating lifestyle is all about. When nature calls, the most reliable onboard companion is Odorlos. Odorlos prevents and eliminates holding tank odor naturally in any extreme climate so all you smell is fresh air.



In addition to preventing odors, Odorlos also keeps valves lubricated and sensors clean so you don’t have to spend money on additional products. Odorlos makes sure that all paper and waste break down so that your lines don’t get clogged when pumping out your boat or RV holding tank.

Benefits of Odorlos Holding Tank Treatment- Learn More

Why should you choose Odorlos?



  • Safe & effective in all RV and marine holding tank and septic tank systems
  • Non-staining
  • Formaldehyde free, non-toxic
  • Non-corrosive
highly effective

Highly Effective

  • Industrial strength nitrate formula used worldwide by the majority of waste water treatment plants
  • Only 1 oz needed to treat 10 gallons of waste water!
  • Accelerates the break down and liquefies all waste and tissue
  • Lubricates valves
  • Effective in any extreme climate

Easy & Convenient

  • Stores easily
  • Unlimited shelf life
  • Easy to measure
  • Available in dry & liquid formulas


  • Eliminates odors
  • Scent/fragrance free

Environmentally friendly

  • 100% biodegradable
  • All Natural
  • Accepted by all campgrounds

Odorlos is also cost-effective. Our packaging ensures that you will only use what is needed to remove these bad sewage smells - not an ounce more! Just follow the simple instructions on the back of the packaging. Odorlos comes in several convenient packaging options.