RV Digest-It Ultra RV Toilet Treatment Refill - 128 Uses, Super

In this review of the RV Digest-It Ultra RV Toilet Treatment Refill, the bottom line is simple: this gallon-strength, bio-enzymatic concentrate is for RV owners who want an effective way to liquify waste, prevent tank odors, and avoid sensor probe problems. The product's single biggest selling point is its ultra-concentrated formula that claims 128 uses per bottle, making it a practical refill for anyone already using a no-fuss dosing bottle and who needs a stronger digester than standard treatments.

Key Features

• Ultra-concentrated formula: Provides up to 128 uses from a gallon-size refill so users can top off their dosing bottle and stretch each purchase over many trips.
• Powerful waste digestion: Breaks down human waste and all brands of RV toilet paper to reduce pyramid plugs and make dumping easier.
• Odor elimination: Targets porta potty smells and sewer stink in the black tank rather than just masking odors with fragrances.
• Sensor-friendly action: Liquifies waste before it clings to black water tank sensor probes, helping prevent misreads and false full readings.
• Gray tank support: Digests grease, oil, and food debris in gray tanks to reduce clogs and buildup in plumbing and drains.
• Support access: Purchase includes access to a Colorado-based Certified RV Tech Team through the Unique Cares program for wastewater troubleshooting.

Who It's For

This refill is best for RVers who already use a concentrated tank treatment system or a refillable dosing bottle and want a stronger product than basic formulas. It suits full-time campers, people who boondock or dry camp for extended periods, and anyone who has struggled with tank odors or sensor probe fouling.

Those who should look elsewhere are casual users who prefer single-use, pre-dosed packets or people who need fragrance-only solutions; this product is designed as an active bio-enzymatic digester rather than a simple deodorizer, and it is most useful when used as part of a refill system.

Pros & Cons

Pros

• Very concentrated formula stretches a single gallon into many uses, delivering value for recurring RV needs.
• Effectively liquifies waste and toilet paper to reduce pyramid plugs and ease dumping.
• Helps prevent sensor probe problems by reducing buildup on probes.
• Also digests grease and food debris in gray tanks, addressing both black and gray tank concerns.

Cons

• As an ultra-concentrate, precise dosing is important and may require a separate dosing bottle for convenient use.
• Product packaging may vary, so appearance at delivery can differ from expectations.

Specifications

Product	RV Digest-It Ultra RV Toilet Treatment Refill
Formulation	Bio-enzymatic ultra-concentrate
Volume	One gallon (128 oz) refill
Uses per bottle	Approximately 128 uses
Targets	Black tank waste and toilet paper; digests gray tank grease and food
Primary benefits	Liquifies waste, eliminates odors, prevents probe misreads
Support	Access to Certified RV Tech Team via Unique Cares

Our Verdict

RV Digest-It Ultra is a strong choice for RV owners who need a dependable, concentrated tank treatment that goes beyond masking smells. Its ability to liquify waste and reduce sensor issues, combined with a large refill size, makes it good value for frequent campers and full-timers. Buy it if you want a proactive bio-enzymatic solution and are prepared to use a dosing bottle for accurate application.

Frequently Asked Questions

How many uses are in a gallon?
Answer. The refill is marketed for about 128 ultra-concentrated uses when dosed as directed.

Will it help with sensor probe misreads?
Answer. Yes, the product liquifies waste so it is less likely to cling to black water tank probes and cause false readings.

Can it be used in gray tanks?
Answer. Yes, the enzymes also digest grease, oil, and food debris in gray tanks to help reduce buildup.