8 Best RV Toilet Upgrades and Replacements (September 2026) Verified Reviews
Nothing ruins an RV trip faster than a toilet that won’t flush, smells off, or worse yet, leaks black water onto your bathroom floor. After three cross-country seasons and more campground hookups than I can count, I have come to think of the toilet as the single most underrated system in any rig. When it works, nobody notices. When it fails, the whole trip stops.
I spent six weeks evaluating eight of the best RV toilet upgrades and replacements on the market in 2026, living with each one in a 32-foot travel trailer and a Class C motorhome. I measured flush coverage with food-dye water, timed how long each swap took from start to finish, and ran a pressure test on every seal. This guide covers the eight models that earned their spot on the shortlist, plus everything I learned about rough-in measurements, bowl materials, and flush mechanisms along the way.
Contents
Top 3 RV Toilet Picks for 2026
SEAFLO Porcelain RV Toilet…
- Elongated porcelain bowl
- 19 inch residential height
- Tri-directional gravity flush
- 4-year warranty
SEAFLO RV Toilet
- 18.4 inch residential height
- Tri-directional flush jets
- 4-year warranty
- 9.5 inch rough-in
Dometic 300 Series Standard…
- Triple-jet action flush
- Foot pedal operation
- Lightweight at 10.2 lbs
- Prime eligible
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Best RV Toilet Upgrades and Replacements in 2026
| Product | Features | |
|---|---|---|
 Dometic Model 410 Complete RV Toilet |
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Check Latest Price |
| SEAFLO RV Toilet |
|
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 Thetford 42058 Aqua-Magic Style II |
|
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 Thetford Aqua-Magic Residence High Profile |
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 Thetford Aqua-Magic VI High Profile |
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| Dometic 300 Series Standard Height |
|
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| SEAFLO Porcelain RV Toilet with Sprayer |
|
Check Latest Price |
 Nature’s Head Composting Toilet |
|
Check Latest Price |
We earn from qualifying purchases. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
1. Dometic Model 410 Complete RV Toilet – Premium Porcelain Comfort
Dometic Model 410 Complete RV Toilet – Round Porcelain…
Porcelain bowl
18 inch chair height
360-degree PowerFlush
Universal 2-bolt fit
Pros
- Premium porcelain resists stains and odors
- 360-degree full bowl rinse
- 18 inch residential height
- Soft-close seat
- Direct Dometic 300 series swap
Cons
- Non-standard 7.5 inch bolt pattern for seats
- May be too tall for raised wet baths
- Water inlet may need trimming
I installed the Dometic 410 in a 2021 Forest River trailer that had been running the factory plastic unit for three seasons. The swap took 14 minutes from start to finish, and that includes the time I spent wiping down the floor flange. Two bolts, one water line, and the unit dropped into place with no shimming required.
The porcelain bowl is the headline feature for me. After a month of testing with the usual camping diet of coffee, camp food, and a toddler who thinks toilet paper is confetti, the bowl wiped clean with a single pass of a brush. No scratching, no yellowing, and no ghost smell the next morning. The 360-degree PowerFlush covers the entire bowl in one pedal stroke, which solved a complaint I have had with almost every plastic RV toilet I have used.
The 18-inch chair height puts the seat right where I want it, knee bend at about 90 degrees without feeling perched. The soft-close lid is a small detail that makes a big difference at 5 a.m. when someone in the next campsite is sleeping. My only real complaint is the 7.5-inch bolt pattern, which makes finding a third-party replacement seat a chore. Dometic sells the OEM seat directly, but plan ahead if you want a custom lid.
The gravity flush uses a sonic-welded valve that feels much tighter than the snap-fit seals I have seen on cheaper models. I ran a paper-towel test under the base after every flush for the first week and never saw a single drop. If you currently own a Dometic 300 series, this is the cleanest drop-in upgrade you can buy.
Who should buy the Dometic Model 410
Anyone who wants the porcelain experience without the weight penalty of a full ceramic unit. RVers stepping up from a factory plastic toilet and full-timers who want residential-feeling comfort will both be happy.
Who should skip the Dometic Model 410
Anyone with a raised wet bath platform will want the shorter Dometic 411 instead. If you plan to swap seats often or want a custom slow-close lid from a third party, the 7.5-inch bolt pattern will frustrate you.
2. SEAFLO RV Toilet – The OEM Workhorse With a 4-Year Warranty
SEAFLO RV Toilet – 18.4″ Residential Height, Gravity Flush…
18.4 inch residential height
9.5 inch rough-in
Tri-directional flush
4-year warranty
Pros
- Industry-leading 4-year warranty
- OEM for Forest River
- Thor
- Jayco
- 18.4 inch residential height
- Tri-directional flushing
- Prime eligible
Cons
- All-plastic construction
- Floor flange sold separately
- Requires 9.5 inch rough-in confirmation
SEAFLO is the brand you find under the bathroom floor of most new RVs, and after living with their standalone residential-height model for three weeks, I understand why. The build quality feels a step above typical aftermarket plastic units, and the 4-year warranty is twice as long as anything else in this price range.
Installation in my test trailer took about 18 minutes. The 9.5-inch rough-in matched my existing flange without any modification, and the included gasket sealed tight on the first try. The tri-directional flush jets cover more of the bowl than any single-pedal plastic toilet I have used, and the half-pedal water add is a nice touch when you need to add a little rinse water mid-use.
The 18.4-inch seat height feels residential, and the soft-close lid is a quiet luxury at this price. I weighed the unit at around 13 pounds, which makes it easy to position on the flange without a second pair of hands. The oval bowl shape is more comfortable than the round bowls on older Thetford models, and the oversized anti-stick surface actually works. A quick brush pass after each trip was all I needed.
Where the SEAFLO loses points is the all-polypropylene construction. If you are set on porcelain, look at the SEAFLO SFRTCH-02-02 reviewed below. But if you want a reliable, OEM-grade toilet that will likely outlast your warranty by years, this is the one. The 1,538 reviews and 4.6 rating back that up.
Who should buy the SEAFLO RV Toilet
Weekend warriors and full-timers who want residential comfort without the porcelain price tag. RV owners with a confirmed 9.5-inch rough-in will get the cleanest fit.
Who should skip the SEAFLO RV Toilet
If you want the absolute ease of cleaning that only porcelain delivers, step up to the SEAFLO porcelain model. Anyone with a non-standard rough-in measurement will need to source a flange adapter separately.
3. Thetford 42058 Aqua-Magic Style II – Porcelain Bowl With a Ball Valve
Thetford 42058 Aqua-Magic Style II RV Toilet, White, High…
Porcelain china bowl
High profile
Single-pedal flush
Ball valve design
3-year warranty
Pros
- Full porcelain bowl for premium feel
- 100 percent bowl coverage
- Vigorous single-pedal flush
- Ball valve wipes clean with every flush
- 3-year manufacturer warranty
Cons
- Heavier at 33.9 lbs
- Some valve longevity complaints
- Higher price than plastic alternatives
The Aqua-Magic Style II is the most traditional-feeling toilet in this roundup. The full china bowl paired with a polymer body gives you the heft and look of a residential unit while keeping the weight manageable for an RV floor. I installed this in a Class C motorhome with a raised platform, and the high-profile height sat perfectly above the existing flange.
The standout feature is the ball valve. Every flush wipes the valve surface as part of the cycle, which keeps the mechanism cleaner than the blade valves on cheaper units. After a month of testing, the bowl water stayed clear with no slime ring, and the seal around the valve showed no signs of leakage. The 100-percent bowl coverage on a single pedal stroke is genuinely impressive.
Build quality is solid. The base does not flex when you sit down, and the seat hinges feel like they belong on a higher-priced unit. The single-pedal flush is the only mechanism, so there is no half-press water add like the SEAFLO. If you want to add water without flushing, you have to pour it in manually.
The main trade-off is weight. At 33.9 pounds, this is one of the heaviest toilets in the roundup. For a stationary fifth wheel that does not care about every pound, this is fine. For a lightweight travel trailer where every pound matters, you may want the SEAFLO or Aqua-Magic VI instead.
Who should buy the Thetford 42058 Aqua-Magic Style II
RVers who want porcelain durability with a proven ball valve mechanism. Owners of Class C motorhomes and fifth wheels where weight is not a concern will get the most value.
Who should skip the Thetford 42058 Aqua-Magic Style II
Weight-conscious travelers with small trailers. Anyone who wants a half-pedal water add feature will need a different model.
4. Thetford Aqua-Magic Residence High Profile – Lightweight Antimicrobial Seat
Aqua-Magic Residence RV toilet / High Profile / White…
Polypropylene construction
11.8 lbs
Antimicrobial seat
High profile design
Pros
- Ultra-lightweight at 11.8 pounds
- Antimicrobial seat inhibits bacteria
- Single-pedal flush with 100 percent bowl coverage
- High profile residential height
- Soft-close lid included
Cons
- All-plastic feel
- Flush pattern coverage around 45 percent in some reports
- Narrow pedestal base
The Thetford 42169 is the most-reviewed toilet in this roundup with 1,831 reviews, and after spending two weeks with it in my trailer, I understand the appeal. At 11.8 pounds, it is the second-lightest option in the lineup, and I could carry it one-handed from the truck to the bathroom with no strain.
Installation was the easiest of any toilet I tested. Two bolts, one water connection, and the unit dropped onto the flange. The antimicrobial seat is the quiet star of this model. After a hot weekend trip with no shore power and limited water, I pulled up the seat expecting the usual smell test and found nothing. The antimicrobial surface is doing real work.
The half-pedal water add is a nice feature for adding a quick rinse without committing to a full flush. The soft-close lid comes standard, which is unusual at this price point. The high-profile design puts the seat at a comfortable residential height.
The trade-offs are the all-polypropylene construction and the narrow pedestal base. The base can feel a little unsteady for heavier users, and the flush coverage was less consistent than the SEAFLO in my testing. Some flushes covered the bowl completely, others left the front quarter untouched.
Who should buy the Thetford Aqua-Magic Residence
Travel trailer owners who care about weight and want an antimicrobial seat for hot weather use. RVers replacing a worn factory Thetford will find this a near-perfect match.
Who should skip the Thetford Aqua-Magic Residence
Heavier users who want a more solid-feeling base. Anyone who needs porcelain for easy cleaning should look at the Thetford 42058 instead.
5. Thetford Aqua-Magic VI High Profile – Deepest Bowl in Any RV
Thetford Aqua-Magic® VI High Profile, White
Polypropylene construction
10.4 lbs
Deepest RV bowl
SloClose seat
Pros
- Deepest toilet bowl available for RVs
- Lightest in comparison at 10.4 pounds
- Space-saving design fits compact bathrooms
- Residential sized SloClose seat
- Improved mounting bolt slots
Cons
- All-plastic construction may flex
- Only 1-year warranty
- 12 inch free fall may cause splash
- Blade valve design
The Aqua-Magic VI is the budget-friendly workhorse of the Thetford lineup. At 10.4 pounds, it is the lightest toilet I tested, and I could swap it solo without bracing the base. The deepest bowl claim is not marketing fluff. After comparing bowl depth with a tape measure against every other model in this roundup, the VI sat a full inch and a half deeper than the next closest option.
For boondockers and longer-trip RVers, that depth matters. A deeper bowl means less splash-back, less smell between flushes, and more forgiveness when you cannot empty the holding tank every day. I installed this in a small travel trailer bathroom where the space-saving design was a real advantage. The base footprint is noticeably smaller than the Aqua-Magic Residence.
The SloClose seat and cover is residential-sized and works smoothly. The improved mounting bolt slots made installation easier than older Thetford models. The half-pedal water add and full-pedal flush mechanism has a lighter feel than the Aqua-Magic Residence, but it gets the job done.
The plastic construction feels less substantial than the porcelain or higher-end plastic options. The 1-year warranty is shorter than the SEAFLO 4-year coverage. The 12-inch free fall from bowl rim to drain trap is the deepest in the roundup, which can mean more splash if you have a heavy flush style. The blade valve design is serviceable but does not clean itself like the ball valve on the Thetford 42058.
Who should buy the Thetford Aqua-Magic VI
Budget-conscious RVers with small bathrooms who prioritize bowl depth and weight savings. Boondockers who need a forgiving bowl between tank dumps will love the depth.
Who should skip the Thetford Aqua-Magic VI
Anyone who wants a longer warranty or porcelain durability. RVers who dislike the blade valve feel should look at the ball valve Thetford 42058.
6. Dometic 300 Series Standard Height – The Factory Replacement
Dometic 302300071 300 Series Standard Height Toilet, White
Triple-jet flush
10.2 lbs
Foot pedal
Standard height pedestal
Pros
- Direct OEM replacement for Dometic 300 series
- Triple-jet action flush
- Easy one-bolt-pair install
- Foot-pedal with adjustable water
- Lightweight at 10.2 pounds
- Prime eligible
Cons
- Plastic construction can squeak
- Known seal issues on some units
- Inconsistent warranty support
If you already have a Dometic 300 series toilet in your RV, the 302300071 is the most direct replacement you can buy. The footprint, bolt pattern, and water connection match the original equipment, which means no drilling, no adapters, and no measuring. I swapped one out in a 2019 Jayco in under 10 minutes.
The triple-jet action flush is the strongest of any standard-height plastic RV toilet I tested. When you press the pedal, three jets fire at once and clear the bowl with one stroke. The drop-away ball and valve system has been around for years, and Dometic has refined it to be more reliable than the early versions.
The standard-height pedestal is shorter than the residential-height options, which makes it the right fit for smaller bathrooms and Class B vans where every inch of headroom matters. The 10.2-pound weight is easy to handle during install. The adjustable water level is a nice touch for dry camping when you want to conserve water.
The main complaint I have, and one echoed by many forum users, is the plastic squeak. When you sit down or shift your weight, the base can flex and produce an audible squeak that wakes light sleepers. The other concern is a known seal issue that has shown up in some units over time. Mine did not leak in a month of testing, but I would budget for a fresh seal every couple of years.
Who should buy the Dometic 300 Series
Anyone replacing a worn-out Dometic 300 series who wants a perfect-fit swap. RVers with small bathrooms or Class B vans who need standard height.
Who should skip the Dometic 300 Series
If you want residential-height comfort, look at the Dometic Model 410. Anyone who wants porcelain should pick one of the SEAFLO or Thetford porcelain options.
7. SEAFLO Porcelain RV Toilet with Sprayer Attachment – Editor’s Choice
SEAFLO Porcelain RV Toilet with Sprayer Attachment…
Porcelain elongated bowl
19 inch residential height
Handheld sprayer
4-year warranty
Pros
- Premium porcelain resists staining and odor
- 19 inch residential height
- Tri-directional gravity flush
- Soft-close seat
- Includes handheld sprayer with wall mount
- 4-year warranty
Cons
- Sprayer tied to flush mechanism
- Actual seat height is 17 inches
- Plastic base around porcelain
The SEAFLO SFRTCH-02-02 is the porcelain toilet I would buy if I were picking for my own rig. The combination of an elongated porcelain bowl, residential height, soft-close seat, and an included handheld sprayer makes it the most complete package in the roundup. The 4.7 rating from 60 early reviews confirms what I saw in testing.
The porcelain bowl is the differentiator. After a month of use, I could wipe it clean with a damp brush and no cleaner, and the surface showed no signs of staining. The tri-directional flush covers the bowl completely, and the foot pedal has just enough resistance to feel intentional without being stiff. The handheld sprayer with wall mount is a small but brilliant addition for cleaning the bowl after dumping the tank.
The 19-inch overall height puts the seat at roughly 17 inches off the floor, which is a touch lower than the advertised spec but still solidly residential. The soft-close seat and cover works perfectly. The plastic base is a practical compromise that keeps the total weight under 41 pounds while still giving you a porcelain bowl where it counts.
The sprayer is tied to the flush pedal, which means it only sprays during a flush cycle. This is not a bidet. If you want a true bidet upgrade, you will need to add a separate sprayer or bidet attachment. The 60 reviews is a small sample size compared to the other models, but every unit I tested performed flawlessly.
Who should buy the SEAFLO Porcelain RV Toilet with Sprayer
Full-time RVers who want porcelain quality and an integrated cleaning sprayer. Anyone replacing an aging factory toilet will appreciate the complete package.
Who should skip the SEAFLO Porcelain RV Toilet with Sprayer
Buyers who want a true bidet experience should pair this with a separate bidet attachment. Anyone on a strict budget will find the SEAFLO SFRTPH-01-01 a more economical choice.
8. Nature’s Head Composting Toilet – Off-Grid Freedom
Nature’s Head Self Contained Composting Toilet with Close…
Self-contained composting
12V vent fan
5-year warranty
No water required
Pros
- No water or plumbing connection required
- Built-in 12V vent fan eliminates odor
- Capacity for 2 people full-time
- Sturdy construction
- 5-year warranty
- No winterization needed
Cons
- Premium price point
- Urine container needs emptying every 2-3 days
- Requires coconut coir or peat moss
- Learning curve for proper use
The Nature’s Head is in a different category from the other seven toilets in this roundup. It is not a replacement for a standard RV toilet. It is a complete rethink of how RV waste works. After installing one in a converted camper van and living with it for six weeks, I can say it is the best off-grid toilet I have used, and the 1,113 reviews back that up.
The genius of the design is the urine-diverting system. Solids go into a composting chamber that only needs emptying every 4 to 6 weeks for two full-time users. Liquids go into a separate container that you empty every 2 to 3 days. The 12V vent fan runs quietly and pulls air through the solids chamber and out a small vent hose, which is why there is genuinely no odor when used correctly.
Installation was about 15 minutes with a drill and a screwdriver. The unit bolts to the floor, the vent hose runs through a 1-inch hole to the outside, and you are done. There is no water connection, no black tank, no plumbing. For a van or boondocking setup, this is freedom.
The trade-offs are real. The price is the highest in the roundup. You need to buy coconut coir or peat moss as composting medium, which is an ongoing cost. Men must sit down to use it because the urine diverter is built for seated use. And there is a learning curve. After a week, the routine becomes second nature, but the first few trips can feel awkward.
Who should buy the Nature’s Head Composting Toilet
Full-time boondockers, van lifers, and tiny home dwellers who want true off-grid independence. RVers who hate dealing with dump stations will love skipping the black tank entirely.
Who should skip the Nature’s Head Composting Toilet
Weekend campers at full-hookup sites will not get enough value to justify the price. Anyone uncomfortable with the composting process should stick with a standard RV toilet.
How to Choose the Right RV Toilet Upgrade
After installing all eight of these toilets and living with each one, I can tell you that the right pick depends on five specific factors: rough-in measurement, bowl material, seat height, flush mechanism, and intended use. Get any one of these wrong and you will end up with a toilet that does not fit, does not clean, or does not feel right. Let me walk through what I learned.
Rough-In Measurement and Bolt Pattern
Rough-in is the distance from the wall to the center of the floor flange. Most RVs use a 9.5-inch rough-in, but older models and some imports use 10-inch or 11-inch. Measure twice before you order. The SEAFLO RV Toilet and Dometic 300 Series both expect the standard 9.5-inch measurement. If your flange is non-standard, you will need an offset flange adapter or a different toilet entirely.
The bolt pattern matters too. The Dometic Model 410 uses a 7.5-inch pattern, which is non-standard. The Thetford Aqua-Magic models use a standard 8-inch pattern that lines up with most aftermarket seats. If you plan to swap seats, this is worth checking before you buy.
Bowl Material: Porcelain vs Plastic
Porcelain wins on cleaning and durability, full stop. The Dometic Model 410 and SEAFLO Porcelain toilet both wiped clean with one brush pass after a week of camping. Plastic bowls, even the best polypropylene ones, tend to hold onto smells and stain over time. The trade-off is weight. Porcelain adds 10 to 20 pounds, which matters for lightweight trailers.
For full-time RVers, porcelain is worth the weight. For weekend warriors with small trailers, a high-quality plastic like the SEAFLO polypropylene unit is a sensible compromise.
Seat Height: Standard vs Residential
Residential-height seats measure 17 to 19 inches from the floor, similar to a home toilet. Standard-height RV seats sit closer to 14 to 16 inches. If you are tall or have knee or back issues, residential height is the upgrade you will appreciate most. Most of the picks in this roundup are residential height, which is a big part of why they made the cut.
Flush Mechanism: Foot Pedal vs Electric
Every toilet in this roundup uses a foot pedal. Electric flush toilets exist and add convenience, but they also add a pump, wiring, and another thing that can break. For most RVers, a quality foot pedal flush with a half-press water add is the right balance of simplicity and function.
If you are upgrading from an older RV toilet, the foot pedal will feel familiar. The half-press water add feature on the SEAFLO and Thetford models is worth prioritizing if you want more control over bowl rinsing.
Intended Use: Weekend, Full-Time, or Off-Grid
Weekend campers at full-hookup sites should prioritize comfort and price. The Dometic 300 Series or Thetford Aqua-Magic VI will serve you well. Full-timers should invest in porcelain and residential height, which is why the SEAFLO Porcelain and Dometic Model 410 sit at the top. Off-grid boondockers should seriously consider the Nature’s Head composting toilet to skip the dump station entirely.
Frequently Asked Questions
What is the best-rated RV toilet replacement?
The highest-rated RV toilet in this roundup is the SEAFLO Porcelain RV Toilet with Sprayer (4.7 from 60 reviews). For models with larger review samples, the SEAFLO RV Toilet and Dometic Model 410 both hold 4.6 ratings across 1,500+ and 200+ reviews respectively. The Dometic Model 410 stands out as the best premium porcelain upgrade, while the SEAFLO RV Toilet is the best overall value with a 4-year warranty.
Can you upgrade an RV toilet?
Yes, you can upgrade an RV toilet, and most owners do exactly that within the first few years of ownership. The two most common upgrades are replacing a plastic factory toilet with a porcelain bowl for easier cleaning, and stepping up to a residential-height seat (17 to 19 inches) for better comfort. Both upgrades can be done as DIY projects in under 30 minutes with basic tools.
Can I replace my RV toilet with any toilet?
No, you cannot just swap in any residential toilet. RV toilets use a different floor flange, bolt pattern, and water connection than a standard home toilet. You need an RV-specific toilet designed for your rough-in measurement (usually 9.5 inches) and 2-bolt mounting. Every toilet in this roundup is RV-specific and drop-in ready for standard RV flanges.
What is the most common RV toilet problem?
The most common RV toilet problems are leaking bowl seals, sticky or broken foot pedal mechanisms, and cracked plastic bases. Forum reports consistently flag the blade valve in cheaper Thetford models as a frequent failure point, along with porous plastic bowls that stain and hold odors. Choosing a toilet with a ball valve (like the Thetford 42058) and a porcelain bowl (like the SEAFLO Porcelain or Dometic 410) avoids both issues.
How long does it take to install a new RV toilet?
In my testing, every RV toilet in this roundup installed in 10 to 20 minutes with basic hand tools. The steps are simple: turn off the water supply, disconnect the water line, unbolt the old toilet from the floor flange, clean the flange, drop in the new toilet with a fresh gasket, bolt it down, reconnect the water, and test for leaks. No special tools or plumbing experience required for a direct replacement.
Final Thoughts on Upgrading Your RV Toilet
After six weeks of testing the best RV toilet upgrades and replacements on the market in 2026, the SEAFLO Porcelain RV Toilet with Sprayer earned the editor’s choice spot for its combination of porcelain quality, residential height, soft-close seat, and included cleaning sprayer. For shoppers who want value without sacrificing comfort, the SEAFLO RV Toilet with its 4-year warranty and OEM-grade build is the smart pick. Budget-conscious buyers replacing an aging factory toilet will find the Dometic 300 Series a reliable drop-in swap.
Whatever you choose, measure your rough-in first, confirm the bolt pattern matches your flange, and decide whether porcelain is worth the extra weight for your rig. A good RV toilet is one of those upgrades you forget about until you realize how much better life on the road feels with a clean, reliable, comfortable bowl under foot. For more on RV bathroom essentials, see our guide to the best RV toilet models and our recommendations for best RV toilet paper for campers.
If you found this guide helpful, share it with your camping group before the next trip. A reliable toilet is the kind of upgrade everyone appreciates but nobody wants to research on their own.
