Thetford Aqua-Kem Holding Tank Treatment

Aqua-Kem is a 100% biodegradable treatment designed to prevent clogging in RV and boat holding tanks. It is a 3 in 1 treatment to deodorize, clean, and breakdown sludge within the holding tank. Aqua-Kem has been found to also help breakdown clogs, eliminating the need for drain cleaners.

Use 8oz of Aqua-Kem for every 40 gallons of wastewater. It has also been used to breakdown animal waste as well. Can be used in portable toilets and will not leave a stain if spilled. Aqua-Kem does contain formaldehyde and can be special ordered without it for the eco-friend use. Aqua-Kem will reduce, if not eliminate, insects gathering. Aqua-Kem can also be used if odors develop in the grey tank. Most treatments are only designed for black tank use.

  • 100% Biodegradable
  • 3-in-1 product
  • Safe for septic systems
  • Suitable for RVs and Boats
  • Works in any weather condition

Available in 1 gallon, 64oz., 32oz, 8oz., and drop-in tablets.

Firebelly Outfitters Bio Formula Holding Tank Deodorizing Packets

Firebelly Outfitters BioFormula Holding Tank Deodorizing Packets are simple to use, drop 1 packet into a 40-gallon holding tank and flush for 30 seconds. It is a formula with what they call “A triple molecular technology.” This is supposed to liquify waste within the holding tank to prevent clogs. If you have a larger tank you may need to use 2 packets.

Firebelly Offitters packets are Formaldehyde Free and Biodegradable as are many packets. They do only come in one size with 20 packets in a resealable bag and are Mulberry scented. This scent can be overpowering when first used. The product is best used in a well-ventilated area.

  • Liquifies Waste
  • RV and Boat use
  • Toss & Go system
  • 1 pack treats up to 40 gallons
  • Biodegradable

Firebelly Outfitters Bio Formula Holding Tank Deodorizing Packets are available as 20 packets in a resealable bag.

Happy Campers Organic RV Holding Tank Treatment

Happy Campers Organic RV Holding Tank Treatment packets are 100% organic for those looking to be environmentally safe. The product will treat up to 40 gallons with 1 scoop. Happy Camper has some basic instructions on the website for use in a porta-potty. This includes “sprinkling” a small quantity on the Organic Tank Treatment and adjusts as needed. This will need to be done in a “well ventilated” area.

Happy Campers website also has Tips for Tank use of new RVers. The instructions are simple to follow while being clearly focused on the task. Happy camper comes as a dry material with 1 scoop in varying size containers. This seems a little behind the time since most manufacturers have gone to a dissolving packet that is just tossed in.

  • Eco-Friendly
  • Odor Free
  • Safe for Septic Systems
  • RV and Marine use
  • 1005 Organic

Happy Campers Organic RV Tank Treatment come in a single container for 18, 40,64, and 130 treatments.

Walex Holding Tank Deodorizer and Waste Digester Drop-Ins

Walex Holding Tank Deodorizer is one of deodorizer within this review that has more than one scent. The Bio-Pak come in Alpine Fresh and Tropical Breeze while the Porta-Pak has a Fresh Scen along with Lavendar Breeze. Walex is designed to breakdown tissue in the holding tank within 24 hours.

This product is on the only product that also claims to lubricate valves and seals within the system. Whether its the Bio-Pak or the Porta-Pak, both products work in a similar manner. The Bio-Pak is for grey tanks and the Porta-Pak is best used in the black tank.

  • Needs no special toilet paper
  • Multiple scents
  • Safe for Septic Systems
  • Pre-package portion controls
  • Biocide and Formaldehyde Free

Both products come in 1lb resealable packages containing 10 packets.

Camco TST Ultra-Concentrated Orange Citrus Scent RV Toilet Treatment Drop-Ins

Camco is one of the leaders in camping and RV equipment including a number of wastewater accessories. Camco TST Ultra-Concentrated Orange Citrus Scent RV Toilet Treatment Drop-Ins like the other will treat up to 40 gallons of wastewater with 1 packet. They are easy to use by just dropping them into your holding tank. It is recommended to add at least 4-5 gallons of water to help dissolve the packet prior to activation.

The TST Ultra-Concentrate Toilet Treatment is part of the full line from Camco sanitizing needs. This includes a treatment designed specifically for a grey water tank. These drop-ins dissolve instantly within the holding tank to eliminate odors almost immediately.

  • Formaldehyde Free
  • RV and Marine approved
  • Septic System Safe
  •  Comes in 4 Scents
  • First Line of Sanitizing from Camco

The TST line form Camco comes in many different sizes as well as a 1 gallon, 32 oz, and 64 oz. liquid.



We have looked at a few different holding tank deodorizers that are available for the RV. All are Formaldehyde free and breakdown waste within the holding tank. After doing the research I find that Thetford Aqua-Kem and the Camco TST line have better results. These do come with a cost.

As far as the other they have limitation including not having a drop-in packet option and requiring additional treatment to work. RV owners like to keep their areas clean and odor free without extensive work. We found a few products here that will make the RV experience odor free.

If you have any experiences with any of these products and would like to share. Please leave a comment below.

Also, Share this post with a neighbor at the resort to help keep the environment odorless.

Thank you for stopping by. Hope to hear from you soon.


  1. Reply

    Hi Ken, thank you for sharing your articles about deodorizers for the rv kholding tanks.
    Me and my family loves camping too. Camping is really great but of course taking care of your trailer is very important.
    We usually use the packets for deodorizing just like the Firebelly brand. But sometimes i noticed that i can see some plastics when cleaning the black tank.
    We were thinking of using something like just a liquid one.
    Do you really think the Aqua-Kem is better?

    • Reply

      Thank You for the comment, Hanna. I have had, and have heard of people having great results with Aqua-Kem. Especially when dumping the tanks in short cycles with full hookups. I have noticed that some of the drop-ins are good for using while moving, give time and water movement to chance to break down the plastics. If we are in a location for a given time, with short cycles and full hookups, the liquid deodorizers work much better.

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