Unique camping marine CMG002.4 Control RV Holding Tank Smells in High Heat User Guide

June 3, 2024
uniQue camping marine

Unique camping marine CMG002.4 Control RV Holding Tank Smells in High

Heat User Guide

How to Control RV Holding Tank Smells in High Heat

High heat can cause strong RV toilet odors to go from bad to worse in no time. Dealing with these odors is not only frustrating, it can easily ruin an RV trip. Thankfully there are solutions that allow you to camp in high heat locations without being flooded with those foul sewer smells. We’ll briefly review why odors are worse in high heat, and provide some simple solutions on ridding your toasty RV of odors.

Why Odors Increase in High Heat

  • Water in your tank keeps solid waste submerged and helps suppress
  • Heat causes the evaporation of water, exposing the solid waste to air.
  • Vaporized water traps the odor molecules and allows them to travel farther and linger
  • Heat causes the human nose to be much more sensitive to

Here are a couple easy formulas for remembering why RV tank smells occur and what is needed to stop them:  High heat + low water + stinky bacteria = increased odors
Moderate temperatures + plenty of water + odorless bacteria = odor-free RV

Controlling High Heat Odors

How you control odors increased by high heat depends on your camping style and your willingness to use certain products. There are different options when controlling odors in high heat situations, but not all of them will fit your situation well:

  • Use more water in your holding tanks to cool them down and cover the waste.
  • Add more bacteria and enzyme tank treatment (like Unique RV Digest-It).
  • Dump more
  • Use a zinc-based product to control odors when water is limited (if legal)

Some of these options we recommend for every camping style, but we realize that sometimes the ideal solution doesn’t fit with your circumstance. For more detailed information, read our full- length guide on How to Control RV Holding Tank Smells in High Heat.

Add More Bacteria and Enzyme Treatment

  • The bacteria in a treatment like Unique RV Digest-It do not release smells as they break down
  • They actually push out the bacteria that IS releasing bad

Use More Water

A generous amount of water does 3 things in your holding tank:

  • It keeps the good bacteria from a treatment like RV Digest-It alive and
  • It keeps the tanks
  • It provides an odor barrier by keeping solid waste submerged.

Dump More Often

  • More waste in the tank means more stinky bacteria.
  • A huge amount of accumulated waste, no matter how much water or product, could start to

Zinc/Mineral-based Treatments (where permitted)

  • These treatments effectively curb odors in high heat, even if little water is used and frequent dumping is unlikely.
  • Zinc products are considered toxic in several states (banned by law) and can be harmful to humans and the
  • We recommend instead using more water and a high-quality bacteria and enzyme treatment (like RV Digest-It).

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