Thetford AquaMax® Spring Showers 64 oz Liquid Holding Tank Treatment
Thetford AquaMax® Spring Showers 64 oz Liquid Holding Tank Treatment
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Thetford

Thetford AquaMax® Spring Showers 64 oz Liquid Holding Tank Treatment

138 ratings
Thetford AquaMax® Spring Showers 64 oz Liquid Holding Tank TreatmentThetford AquaMax Spring Showers 64 oz Liquid Holding Tank Treatment
Pack SizeSingle

Key item features

  • Odor Neutralization: Triple enzyme holding tank treatment effectively neutralizes waste tank odors, ensuring a fresh environment.
  • Eco-Friendly Formula: Campground and Marina compliant, this treatment contains no Formaldehyde or Bronopol, making it safe for the environment.
  • Versatile Application: Safe for use in all RV and boat holding tanks, providing broad compatibility for various recreational vehicles.
  • Efficient Dosing: One 64 oz bottle provides 8 doses, with 8 oz effectively treating a 40-gallon holding tank.
  • Waste Breakdown: Actively breaks down waste, preventing clumping, clogging, and residue build-ups within the tank.
  • Septic Safe: Formulated with beneficial probiotics and bacteria, making it safe for septic systems.
  • Pleasant Scent: Features a fresh Spring Showers scent that actively helps eliminate unpleasant odors.
  • Regulatory Compliant: This holding tank treatment is compliant with all relevant regulations, ensuring responsible use.
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Customer ratings & reviews

4.6 out of 5 stars
stars
138 ratings66 reviews
How item rating is calculated
  1. 5 stars80% (110)
  2. 4 stars12% (16)
  3. 3 stars3% (4)
  4. 2 stars2% (3)
  5. 1 star4% (5)

Reviews summary

Pros

  • : Simple application process with no measuring.
  • : Eliminates odors with a clean smell.
  • : Effective in small, enclosed spaces.
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Showing 1-3 of 66 reviews

May 1, 2026
Reviewer name: Julie
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Highly recommend. You never smell anything in your RV black tanks when using this.

Helpful?6BUWI0F36K6H890533894
Dec 5, 2025
Reviewer name: Angela
Item details
Count per pack: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

It's a great product for our RV black tank

Helpful?6BUWI0F36K6H890533894
Mar 23, 2025
Reviewer name: Rachael
Item details
Count per pack: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Thetford aquamax works every time. and it smells decent.

Helpful?6BUWI0F36K6H890533894
Current price is $17.7427.7 ¢/fl oz
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