What Chemicals Can You Use in a Touchless Restroom Cleaner?

Rod Michelini is the founder of OneUp Cleaning. We sell the Tornado, EDIC, Clarke and NaceCare touchless machines named here, but not Kaivac and not any cleaning chemical. Every rule below comes from the manufacturers' own manuals and from custodians who run these machines every night, so you can check each one yourself.

You can use low-foaming, spray-safe commercial chemicals fed through the machine's metering tip or automatic doser: a neutral cleaner for routine work, a peroxide or mild acid cleaner for urine scale, an EPA-registered disinfectant and a degreaser. Keep bleach, ammonia, solvents and undissolved powders out, and stay inside your machine's pH limit (Clarke's is 4 to 12).

That covers most restrooms. Read on if you're setting a dilution, fighting urine odor, or wondering what happens when two products meet inside your machine.

Which chemicals work in a touchless restroom cleaner?

Three machine makers sell or name their own chemicals. Kaivac has a full line, Tornado's user guide suggests seven products, most of them Krud Kutter, and Santoemma, which builds the NaceCare PT 30, makes the three products its manual names. EDIC and Clarke don't push a brand, only rules. We pulled the safety data sheets and spec sheets behind the branded products to see what's inside, and they fall into five ordinary families you can buy from any janitorial supplier.

Two helpers round out the branded lines: Kaivac's KaiDri rinse aid (alcohol-based surfactants and 2-butoxyethanol, pH 5 to 9) and a defoamer, which Tornado (CFR Defoam) and Santoemma (ANTI-FOAM, pH 7) both list. The third PT 30 product, Santoemma's SANI-CLEAN, is sold as a sanitizing cleaner at pH 12 to 13. None of Santoemma's three publishes its ingredients online, and neither does Tornado's acid substitute.

Sources: Kaivac SDS library, Krud Kutter Pro Neutral and Cleaner Degreaser data sheets, Santoemma restroom chemicals, Tornado user guide. You aren't locked into any of them: in Tornado's own setup video, the presenter says you can use anybody's chemical in the system, as long as you match the tip to it.

Here's the honest concession: on a lightly soiled restroom, you may not need chemical at every pass. Kaivac's own rapid restroom cleaning video shows its machine working in a chemical-free mode. Water and pressure will lift the soil for you, but they won't disinfect anything.

What do the ingredients tell you?

• No bleach and no ammonia. Not one branded product lists either, which matches EDIC's ban on both.
• Most concentrates run at 1 to 2 oz per gallon. KaiBlooey's 64:1 works out to 2 oz, the EPA label behind KaiSan II calls for 2 oz, and Krud Kutter's neutral cleaner takes 1 to 2. That's an EDIC orange or pink tip, while Tornado's pink tip at 3 oz would run them 50% strong.
• pH decides what crosses between machines. KaiBlooey's diluted solution sits at pH 2.4 and Krud Kutter's degreaser at 12.5 to 13.5, both outside the pH 4 to 12 range in Clarke's manual. A product built for one machine can break another machine's rules.

Is a branded disinfectant different from a generic one?

Often it's the same formula under another name. Kaivac's KaiSan II carries EPA Reg. No. 10324-154-71665 on its safety data sheet, with 2.54% didecyl dimethyl ammonium chloride and 1.69% alkyl dimethyl benzyl ammonium chloride. The EPA's label for registration 10324-154, sold as Maquat 64-NHQ, lists the same two actives at the same percentages, used at 2 oz per gallon.

That's by design. Under the EPA's supplemental distribution rules, a three-part registration number marks a distributor product, which must duplicate the base product and may change only its name and the distributor's address. California's pesticide product database has listed the same 10324-154 base under other brand names, such as "5 Non Acid Bathroom Cleaner." So compare the first two parts of the EPA Reg. No. on any disinfectant label. When they match, you're buying the same chemistry.

Does the pressure rinse disinfect?

No. EDIC states that chemical can't be applied in the high pressure rinse mode at all, so your rinse is water. Disinfection follows the EPA's six steps. You confirm the product is EPA-registered and check that its label covers your use site and surface type. Then you clean first and keep the surface wet for the full contact time. Spray your disinfectant on low pressure, let it dwell, and only then rinse or vacuum.

What chemical rules does each machine set?

The five machines agree on more than they differ: Tornado, EDIC, Clarke and NaceCare all keep chemical out of the solution tank, and Kaivac ties you to its approved list.

Sources: Tornado manual, EDIC CR2 manual, EDIC CR2 Jr manual, Clarke TFC 400 manual, Kaivac manual, NaceCare PT 30 manual.

One wording trap could catch you: EDIC's manuals mention "commercially available carpet cleaning solutions," a phrase shared with its extractor manuals. The rule that matters sits a few lines later: use only chemicals safe for extractors. In practice, you want low-foam products with nothing undissolved in them.

Not sure which machine's chemical rules fit your program? Send us your restroom count and the products you already stock through the contact page, and we'll check them against each manual for you.

Are you supposed to use chemicals in a Kaivac?

Yes, and Kaivac ties your warranty to which ones. Its operator manual gives you 5 years on rotationally molded parts, 3 years on other parts and 1 year of labor when you use Kaivac chemicals only. Approved non-Kaivac chemicals drop your coverage to 1 year of parts and labor, and unapproved ones leave you with no warranty. Kaivac's chemicals page adds that incompatible chemicals can damage the equipment. If you own a Kaivac, that warranty math is a fair reason to stay with its products. If you're weighing other machines, the Kaivac alternatives guide covers how they handle the same question.

How do you set the dilution with a metering tip?

Your tip sets the ratio, so pick it from the label of the chemical you're running. The EDIC CR2 Jr manual prints a full chart:

Don't carry your tip colors from one brand to another. In Tornado's video, the pink tip denotes 3 oz per gallon, while EDIC's pink delivers 2 oz. Swap machines with the same habit and you're running 50% more or 33% less chemical than you planned.

The NaceCare PT 30 has no tips to choose. Its manual says it draws chemical automatically at about 7%, roughly 9 ounces per gallon. A concentrate labeled for 2 ounces per gallon would go out at about 4.5 times its label strength, which is why the manual ties the machine to Santoemma's own three products.

Your pressure setting matters too, because EDIC says chemical draws accurately only on the low pressure setting. Tornado says chemical won't mix unless working pressure sits at 180 to 200 psi, with the pump set to 500 psi static.

Getting it wrong costs you either way, and Kaivac's chemical guide warns that over-diluted product underperforms, while under-diluted product can harm surfaces and hurt air quality. One custodian found a machine filled with undiluted glass cleaner by a coworker, with the water running blue. Pouring by eye is how that happens, and your metering tip exists to stop it.

Why does low foam matter so much?

Your machine vacuums what it sprays, and foam carries liquid past the protections built for water. Kaivac's manual puts it in capitals: high foaming chemicals may cause premature vac motor damage. EDIC tells you to run defoamer at all times so the vacuum motor doesn't take in foam. Clarke wants defoamer whenever foaming starts and tells you to switch off if foam comes out of the exhaust. Tornado's troubleshooting chart treats foam bypassing the float as a call for more defoamer.

So read your label for "low foam" before anything goes in the jug, and keep defoamer on your cart.

What should never go through the machine?

Read together, the manuals rule out a long list: EDIC bans bleach, ammonia, dyes and other additives, and doesn't recommend powder at all, so any powder you do use gets premixed in a separate container. Tornado bans flammable or volatile solvents and corrosive or toxic substances, and Clarke bans anything outside pH 4 to 12. Keep the safety data sheet for each product where your crew can reach it, because OSHA's hazard communication standard requires SDSs to be readily accessible during each work shift.

The bigger risk to you is mixing, and the Washington State Department of Health explains that bleach plus ammonia makes toxic chloramine gases, and that ammonia is found in urine. Bleach plus the acids in toilet bowl cleaners makes chlorine gas. A restroom gives you all three ingredients.

Picture a closing shift. You run a mild acid restroom cleaner through the machine on the urinals, and the slurry lands in the recovery tank. Then a coworker sprays bleach from a bottle on the floor, and you vacuum it up with the same machine. Acid, urine and bleach now share a closed tank. When you open the lid to empty it, you're leaning over the gas the health departments warn about.

That chain is our own reasoning from the chemistry, not a scenario from any machine manual. The closest documented case is a New Jersey Department of Health hazard alert about a restaurant dishwasher. Lime-A-Way and bleach mixed inside that machine, and an employee who opened it was overcome by the fumes and later died. It was a different machine with the same chemistry, so empty and rinse your recovery tank before you change chemistries.

Can you use bleach in a touchless restroom cleaner?

Not through the machine. EDIC prohibits bleaches outright, and seven custodians on Reddit keep bleach and other unapproved products away from the pump. In one school custodian thread, the advice is to spray the outside product separately, let it dwell, then use the machine only to rinse and pick up. Bleach also carries no surfactants, so it cleans no better than water. Its one job is to disinfect, and a registered disinfectant through the tip does that job without the mixing risk.

Does metered chemical keep you from breathing it?

Your metering tip controls how much chemical leaves the jug, but it doesn't control where the mist goes once you pull the trigger. Twelve custodians on Reddit describe chemical and urine spraying back, coughing after pressure work, or reaching for a mask. In a thread about masks for machine work, custodians point to atomized chemicals and suggest checking the SDS for misting hazards. Another tells new staff to start on low pressure.

So apply chemical on the low setting your machine already requires, ventilate the room, wear the PPE your SDS lists, and save high pressure for the water rinse.

What works on urine odor and scale?

Split your urine work by frequency, because acid and daily cleaners do different jobs. Multi-Clean's restroom method bulletin uses a non-acid cleaner daily and an acid bowl cleaner one to two times a week. For hard water deposits, scale, rust and grout, it lists a 20% phosphoric acid product. Three custodians on Reddit say acid products are hard on chrome, so keep your acid days on a schedule rather than running acid every night.

For your daily work, nine custodians lean on peroxide cleaners. One describes a 10 minute peroxide dwell, then the machine, then peroxide again to disinfect.

For odor that survives cleaning, nine custodians apply enzymes after the clean and separately, not through the high pressure. One runs an enzyme weekly and on deep cleans, because urine soaks into grout. You'll find the full routine in the restroom cleaning guide.

How do you keep the chemical system working?

1. Flush after every shift. Run clean water through your chemical line until the stream is clear, as Clarke and EDIC direct.
2. Fight hard water. Tornado allows a white vinegar solution to counter hard water and alkaline deposits.
3. Drain before you leave. Tornado says not to let fluid sit in the machine overnight.
4. Check the tip first. When your chemical stops flowing, the Tornado and Kaivac charts both point to a plugged metering tip, and Tornado adds a wrong tip as a cause.

Ready to compare machines? Browse our restroom cleaning machines, or send your restroom count and current chemicals through the contact page or call (855) 601-5678 for a spec review. Every order is covered by our 30-day return policy.

Common questions

Can you clean a restroom with water only?

You can lift loose soil that way, and Kaivac shows its machine running chemical-free. You can't disinfect that way, so add a registered disinfectant on the surfaces that need it.

Can you switch chemicals mid-shift?

Yes. Change the jug and the tip to match the new label, then flush the line with clean water until it runs clear before the next product goes through. Empty the recovery tank too if you're moving between acid and anything else.

Related reading: How do touchless restroom cleaners work? · Kaivac alternatives · How to clean a restroom · Is a touchless restroom cleaning machine worth it?