Always Free Shipping—No Minimum Order · Contiguous U.S. orders only. Alaska and Hawaii excluded.
Shipping & Delivery
Always Free Shipping—No Minimum Order Contiguous U.S. orders only. Alaska and Hawaii excluded.
Returns & Refunds
Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.
Installment options at checkout are provided by Shop Pay and its partners and are subject to eligibility. Options depend on your purchase amount and may require a credit check by the financing partner. Terms, rates, and eligibility are determined by the financing partner. For details, see the Shop Pay Installments terms during checkout.
AquaMax Holding Tank Treatment - 64oz - Spring Shower Scent
AquaMax Holding Tank Treatments advanced enzyme-powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging, and tank residue, all at the same time. Thetfords beneficial probiotic treatments are Bronopol and Formaldehyde free.
Features:
Enzyme-based holding tank treatment
Breaks down waste and eliminates offensive odors
Bottles with child-resistant caps
Available in a one-gallon jug, 64-oz. bottle, 32-oz. bottle, and 6 pack of 8-oz. bottles
Easy dosing system: 8-oz of AquaMAX treats a 40-gallon holding tank
Formaldehyde free
Bronopol free
Neutralizes odor
Breaks down waste to prevent clumping, clogging, and tank residue
Enzymes optimized for MAX performance
Beneficial probiotics; good bacteria
Septic system safe
Campground and marina friendly
Compliant with all current regulations
Available as a liquid, dry granule or Toss-Ins
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Keep your RV or marine toilet system clean, odor-free, and functioning smoothly with Thetford Marine AquaMax Holding Tank Treatment in the convenient 64-ounce bottle with a refreshing spring shower scent. Designed with advanced enzyme-powered formulas, this treatment effectively neutralizes odors while accelerating waste digestion, helping to prevent clumping, tank residue buildup, and clogs. Its probiotic ingredients include beneficial bacteria that work to break down organic waste naturally, ensuring your holding tank remains odorless and hygienic. The product is free from formaldehyde and Bronopol, making it safe for septic systems and environmentally friendly, ideal for campers, boaters, and marina users seeking a safe, regulatory-compliant solution.
AquaMax Treatment features an easy-to-use dosing system, with 8 ounces sufficient for treating a 40-gallon holding tank. Its liquid formulation allows for straightforward application, and it’s available in various sizes, including bottles, jugs, and convenient packs to suit different needs. The bottles are equipped with child-resistant caps to ensure safety during storage. This versatile treatment can be used in RV black water systems, marine toilets, or any portable waste management system, providing reliable odor control and waste breakdown. The product complies with all current regulations, making it a trusted choice for professional and recreational use.
By incorporating AquaMax Holding Tank Treatment into your maintenance routine, you invest in a cleaner, odorless, and more efficient waste management system. Its enzyme and probiotic blend work synergistically to keep your holding tank free of buildup and unpleasant smells while supporting septic safety. Whether you're camping, boating, or managing a marina, this effective, environmentally responsible solution ensures your system remains in top condition, providing peace of mind during your outdoor adventures or marine operations.
Features:
Enzyme-based holding tank treatment for efficient waste breakdown
Neutralizes offensive odors to keep your environment fresh
Child-resistant caps for safe storage
Available in multiple sizes including bottles, jugs, and packs
Easy dosing: 8 oz treats a 40-gallon tank
Formaldehyde free and Bronopol free for safety and environmental friendliness
Beneficial probiotics with good bacteria to aid waste digestion
Safe for septic systems and environmentally compliant
Suitable for RV, marine, campground, and marina use
Versatile formulations available as liquid, dry granules, or Toss-Ins
Meet the Bosun, MPO’s AI Parts Assistant Get help with catalog products and store FAQs. AI can make mistakes; confirm fitment before ordering.
Use the Ask the Bosun · AI & Human Help chat button below to start an AI conversation.
AI chat is powered by Shopify. Live transfer may be unavailable. Use the form below to send your question directly to the MPO team.
Prefer a person? Use the form below to send the MPO team your question with the product details shown here. This form goes to support, not the AI.
You’re asking about Thetford Marine AquaMax Holding Tank Treatment - 64oz Spring Shower Scent - Enzyme-Based Odor Control and Waste Breakdown for RVs and Marine Toilets Store SKU: 96922
The Trident Marin Extra Flex Corrugated Wet Exhaust hose works great. I had to replace the old hose coming from the generator muffler to the exhaust pipe going out the hull. The hose needed to be curved and the flex was perfect. Delivery was fast with no issues. Thank you
J
Caliber BunkWrap Kit - Black 16' x 2" x 4" Roll + 4 Caps + HRDW Roll + 4 Endcaps & Stainless Steel Hardware James Cline
I ordered my product August 30! I have yet to receive it! My shipping cost was over ten dollars ! I could of walked there and picked it up,it would have been faster!
No option for zero stars. I ordered a roll of 6 awg duplex wire and they drop shipped me a cheap, completely unrelated item. Nobody answers emails or the phone.
It worked as is described and it got my uncle‘s fridge back up and running perfectly
Norcold Gas Control
Dennis Johnsen
The Trident Marin Extra Flex Corrugated Wet Exhaust hose works great. I had to replace the old hose coming from the generator muffler to the exhaust pipe going out the hull. The hose needed to be curved and the flex was perfect. Delivery was fast with no issues. Thank you
Trident Marine 2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the Foot
James Cline
Very pleased with that product
Caliber BunkWrap Kit - Black 16' x 2" x 4" Roll + 4 Caps + HRDW Roll + 4 Endcaps & Stainless Steel Hardware
Gerald
As discribed. Brand new in excellent shape, fast delivery, well made and an awesome price. Super job thanks a million!