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The Best Portable Car Washing System of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Portable Car Washing System of 2022. Check our ranking below.

2,743 Reviews Scanned

Rank No. #1
H&G lifestyles Portable Water Deionizer for Car Washing Spotless Water System Spot-Free Deionized Water Splash Spotless for Vehicles Motorcycles Boats Solar Washing
  • Achieve Spotless Car Wash with Water Deionizer: Our water deionizer ensures a pristine car wash every time. By utilizing advanced technology to reduce Total Dissolved Solids (TDS), it eradicates water spots and streaks, leaving your vehicle gleaming. No need for manual drying—simply rinse and let our spotless water system for car wash do the rest.
  • Zero TDS Water for Unmatched Purity: Experience unparalleled water purity with our deionizer, which lowers TDS levels to zero. Bid farewell to mineral deposits as only the purest water, courtesy of our deionized water system for car wash, touches your vehicle's surface.
  • Professional-Grade Filtration System: Equipped with a top-notch filtration system, our water deionizer removes impurities, minerals, and contaminants. This not only enhances cleaning but also safeguards your vehicle from damage caused by hard water minerals. It's the ultimate deionized water filter for car washing.
  • User-Friendly and Portable Design: Engineered for ease, our water deionizer boasts user-friendly controls and a portable design for hassle-free installation and operation. It's the go-to spotless car wash system for car enthusiasts seeking convenience and quality.
  • Built to Last and High Capacity: Crafted with premium materials, our water deionizer is designed to generate up to 500 gallons of pure, deionized water. Whether you are using it as part of a spotless water system for car wash or a deionized water system for car wash, this reliable deionized water system ensures that your vehicle receives only the best.
Rank No. #2
Clearly MaD Deionized Spot-Free Car Wash Rinse System Unit, Spotless Water Deionizer for Car Washing, RV, and Motorcycle, Without Hose
  • SPOT-FREE SHINE: Introducing the Clearly MaD Spot Free Car Rinse – the ultimate all-in-one solution for achieving a spot-free shine on any vehicle with ease; this deionized spot-free car wash system comes with everything you need for a crystal-clear shine
  • ALL-IN-ONE KIT, READY TO USE: This deionized spot-free car rinse system includes a Dual DI Unit Housing with Mounting Bracket, Plumber's Tape, (2) Cartridges, Wrench, Adapters, Flow Regulator, and Instructions, making assembly a breeze
  • VERSATILE AND RELIABLE: No matter the vehicle – car, truck, motorcycle, RV, motorhome, bicycle, or even the outside of your home windows – hard water spots don't stand a chance against this spot free water filter car wash system
  • LONG-LASTING CARTRIDGES: Effectively removing Total Dissolved Solids (TDS) from water, the car deionizer resin cartridges can remove approximately 1,800-2,000 TDS before needing replacement
  • NO MORE TOWEL DRYING: This spot free water deionization car wash system does all the heavy lifting for you, delivering a spot-free rinse without the need for towel drying; simply wash your vehicle using the spot-free car rinse unit and let it air dry
Rank No. #3
CR Spotless Water Systems - DIC-20 Simplest RV & Car Wash System, Rinse Works for All Vehicles, Motorcycles, Bikes, Boats, Planes, Yachts, Deionized Towel Drying Eliminated, 1 Pack
  • Hard water spots can destroy your vehicle’s finish, reduce efficiency with solar panels, and create a dirty appearance on windows. We know. That’s why we created a de-ionizing system that takes out all of the minerals in your water so you can just WASH, RINSE, and WALK AWAY!
  • With a CR Spotless Water System, you can let your vehicle, windows, and solar panels, air dry and not leave any spots behind. De-ionized water is the secret sauce that detailers, car washes, and solar / window cleaners have used for decades.
  • CR Spotless was the first to make the same technology available to homeowners in an affordable, compact, and portable system. Work smarter, not harder and spend less time and money to get the same professional looking results.
  • The DIC-20 provides approximately 300 gallons of mineral-free, de-ionized water based on your water input quality. It consists of two 20 inch de-ionization housings that feature replaceable (or refillable) cartridges that simply slide into the watertight tubes.
  • The entire unit is mounted on a powder coated, rust resistant rolling cart that makes it convenient to move into position and store away when finished. Ships with all the parts and accessories needed to start rocking and rolling with all the spare time created by your CR Spotless deionized water system.
Rank No. #4
PRO+AQUA Portable Spotless 3,090 Gallon Deionizer Spot-Free System for Car & RV Wash, Auto Detailing, High Capacity Spotless Rinse for all Vehicles, Trailers, Motorcycles, Boats, Yachts
  • 🚗 Versatile Use for All Your Vehicles: Ideal for cars, trucks, RVs, boats, motorcycles, and ATVs, this system delivers a pristine, streak-free finish every time. A must-have for any comprehensive car cleaning setup.
  • ✨ Ultimate Spot-Free Shine: Achieve a flawless clean with pure, deionized water that effectively reduces Total Dissolved Solids (TDS), calcium, and magnesium in hard water. Simply rinse and walk away—no need for towel drying or additional wiping.
  • 💦 Unmatched Purity: Whether you’re washing your car, detailing professionally or cleaning your home, this reliable deionizer works gently yet effectively on all exterior car surfaces, including paint, metal, plastic, glass, vinyl, and rubber, ensuring that you're receiving only the purest, best quality water.
  • 🛡️ Premium Quality: Built with commercial-grade parts, this system is designed to filter up to 3,090 gallons of hard minerals out of your water supply before needing a media change, ensuring you get the most out of your investment.
  • ✅ Ready in 5 Minutes: With everything you need included, you can set up your deionizer effortlessly in five minutes. Features a TDS meter to monitor water quality, and an easy-to-use bypass valve that enables smooth switching between tap and spot-free DI water, extending the lifespan of your system.
Rank No. #5
Unger Professional Rinse ‘n’ Go Spotless Car Washing System with Deionization Filter, Auto Cleaning Supplies for Deionized Water with Streak-Free Results, Great for Boats, Cars, RVs, and Solar Panels
  • Water Deionizer for Car Washing: Save time & effort by eliminating the need to hand dry. The Unger Rinse ‘n’ Go system uses the same revolutionary technology that professional car washes use for spotless, streak-free results. Just wash, rinse, & go
  • Streak-Free Results: The deionized water filter in this car cleaning kit creates that spotless look you desire when washing your car at home. Avoid spots from falling pollen and other debris by pulling the car into a garage after washing
  • Removes Minerals from Water: Deionization technology in this portable washer helps to remove spot causing minerals, contaminants, and impurities out of the tap water when washing RV’s, motorcycles, windows, solar panels, and more
  • Quick Connects: Make connecting your hose faster and easier! Quick Connects points can connect and disconnect each end without twisting, tools, or strain on your part. Simply add one set to your home spigot and the other to your unit.
  • Ready To Use Out of the Box: The lightweight and compact design of this car was kit is ready to use right out of the box. This car cleaning kit includes a Rinse 'n' Go Unit, TDS Meter, 8-ft Input Hose, Resin Bag, Soap-Blasting Nozzle, and Quick Connects.
Rank No. #6
iSpring Spotless Car Wash System, Deionized Water System for Car Wash, RVs, Boats, Motorcycles, and Windows, Model: WGB22BD
  • A spotless car wash system that produces filtered water with zero or near zero TDS (total dissolved solids). iSpring WGB22BD deionized water system is a perfect last step for rinsing your cars, RVs, boats, motorcycles, windows, and more, giving them a shining, bright, and spotless touch.
  • A spot free car wash system with easy DIY installation - no additional tools are required. Thanks to the included garden hose quick connector, this deionized water system can be connected and disconnected with your hose within seconds. It works with ¾” GHT garden hose fittings.
  • A spotless car wash system with top-notch quality. Depending on your incoming water quality and usage, the 20” DI water filter can last up to 12 months or filter up to 1,200 gallons of water (about 240 rinses for cars or 60 rinses for RVs). The movable metal stand provides strong support for the water filter system and user convenience.
  • Peace of mind customer service - register online to activate your 1-year manufacturer warranty and lifetime free tech support from U.S. local support team. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help.
  • Please note: this DI water filter system is not designed for drinking water applications of any kind. TDS in your source water will impact the performance of this filter.
Rank No. #7
Filterelated Spotless Water System.Car Wash System,Deionized Water System for RV, Vehicles, Motorcycles, Bikes, Boats, Planes,No Spots (Black-713)
  • When We Wash the car, we often encounter washing is not clean, there are hard water spots, affecting the bright and beautiful car.This is caused by the precipitation of ions in the water.The Filterelated car wash system is a deionized water system specifically designed to remove all minerals from the water, leaving you with pure water.Wash your vehicle with mineral-free deionized water to eliminate streaks and give your car a striking original shine.
  • Improved Design and Strong Cleaning Performance: At the beginning of the design,the Filterelated laboratory experienced a variety of field test environments.With the pure water system,impurities,minerals and corrosion can be effectively removed from the water.This not only enhances the cleaning effect,but also helps protect your vehicle from potential damage caused by hard water minerals.In addition to cars,Filterelated deionized water systems are also perfect for cleaning the Windows of your RV, boat, glass, golf cart, yacht, motorcycle, bicycle and house!You can even turn it into a portable RV water softener by changing the filter material.
  • Filterelated portable deionized water system accessories include 7 "*13" FRP tanks.5l Enhanced quality mixed bed resin (can be replaced by purchasing one of our alternative resin packs).With 3/4NPT external thread to NH3/4 external thread*1,3/4NPT external thread to NH3/4 internal thread *1 3/4 American quick connection *1 set, black Velcro ring handle, etc.It is designed according to your various use needs. It can provide you with deionized water when you go on a motorhome trip.
  • A Dedicated TDS Tester is Included in the Attachment to Show our Trust in our Products :TDS testers help you test water data and verify the effectiveness of our products.It can sense the filtration situation in real time,so that you can replace the resin filter material in time.Our resins give you approximately 500 gallons of pure deionized water under typical water conditions with a total dissolved solids (TDS) content of 200ppm(depending on the TDS level of the water in your area).
  • Special Replacement Kit to Save You Money:Our car wash system is not a disposable product,when the resin life in the car wash is exhausted, you can choose to purchase Filterelated special 5L replacement kit.You need to pour 5L of resin into the jar,install the parts in the jar,connect to the garden tap,and then you can start cleaning.Can save you a lot of car wash costs.Our tanks have a long life,so you only need to consider replacing the resin bale.
Rank No. #8
AQUATICLIFE Aquatic Life Deionized Spot-Free Car Rinse Unit - Premium Water Deionizer for Car Washing - Spotless Car, RV, and Motorcycle Wash System
  • ALL-IN-ONE KIT THAT'S EASY TO ASSEMBLE The deionized spot-free car wash system includes a Dual DI Unit Housing with Mounting Bracket, Plumber's Tape, (2) Cartridges, Wrench, Adapters, Flow Regulator, and Instructions
  • SUITABLE FOR USE ON ANY VEHICLE – Hard water spots are no match for this deionized water system. It’s an excellent choice for cleaning a car, truck, motorcycle, RV, motorhome, bicycle, even the outside of your windows at home.
  • EFFECTIVELY REMOVES TDS IN WATER – When water passes through the resin, TDS (total dissolved solids) are removed. Each cartridge will remove approximately 1,800-2,000 TDS before you need to replace the resin.
  • DOES ALL THE "HEAVY LIFTING" FOR YOU – This water deionizer for car washing delivers a spot-free rinse without you having to towel dry. Wash your vehicle using the spot-free car rinse unit and let air dry. It’s as simple as that.
  • QUALITY CRAFTSMANSHIP, BUILT TO LAST – You’ll get many years of use from this DI car wash system. When the resin in the cartridges is used up, they’ll turn a tan color. Purchase our bulk color changing deionized resin to refill.
SaleRank No. #9
VEVOR RV Water Softener, 16,000 Grain Portable Water Softener, with 3/4" Brass Fittings and 42" Hose, Soften Hard Water Filter System for RVs, Trailers, Boats, Mobile Car Washing, Pressure Washing
  • Higher Adsorption: Elevate your water quality with our RV water softener, with an absorption capacity of up to 16,000 grains. The portable water softener swiftly captures heavy metals found in hard water, reducing hardness levels to 0-3 grains per gallon (gpg). Experience the benefits of clean, healthy water! (Under a hardness level of 6.5 gpg, regenerates 2,461 gallons of soft water, providing sustained use for up to 50 days.)
  • Recyclable Food-Grade Resin: Crafted from NSF-certified food-grade resin material, our water softener is away from chemicals. It can be used sustainably for approximately 5 years without frequent filter replacements. When the softening effect diminishes over time, you are suggested to use 52 ounces (1,472 g) of salt for regeneration – a cost-effective choice for your RV water needs.
  • Large Flow and High Pressure: Enjoy efficient and rapid water softening with our RV water softener's 3/4-inch large flow inlet and outlet hose connections, ensuring minimal impact on your water pressure. With a robust maximum pressure rating of 150 psi, a durable glass fiber shell, and an NFS polyethylene tank, this RV water softener and filter system is built to withstand the rigors of water pressure, providing long-lasting performance.
  • Quick and Hassle-Free Installation: Our portable water softener comes with brass connectors, a 42-inch-long water hose, and other essential accessories, enabling swift and effortless setup. The 3/4-inch interface connects to your RV, garden hose, or whole-house water filtration system. Say goodbye to expensive plumber fees – you can have it up and running in just 5 minutes.
  • No Electricity Required: Whether you're on an outdoor adventure or at home, our portable RV water softener requires no tools or electricity, making it perfect for camping and everyday use. Enhance the taste and odor of your water, refusing the negative effects of hard water on your skin and appliances. Plus, its ergonomic handle ensures effortless transport, so you can enjoy soft water wherever you go.
Rank No. #10
Filterelated Deionized and Stain Free car Washing Device Water System,Spotless,Suitable for All Vehicles,RVs,Windows,Boats,Airplanes,etc.Without The Need for Towel Drying(Resin Color Change Display)
  • When We Wash the car, we often encounter washing is not clean, there are hard water spots, affecting the bright and beautiful car.This is caused by the precipitation of ions in the water.The Filterelated car wash system is a deionized water system specifically designed to remove all minerals from the water, leaving you with pure water.Wash your vehicle with mineral-free deionized water to eliminate streaks and give your car a striking original shine.
  • Color display for color changing NSF certified resin/lifespan: We use a transparent shell and place NSF certified purple color changing resin filter cartridges. When the resin in the filter cartridge loses its effectiveness, it will turn brown, reminding us that the pure water effect will decrease, making it easier for us to observe the lifespan of the resin more intuitively. This allows us to replace the filter cartridge in a timely manner and eliminates the need for blind testing of lifespan
  • Effectively Removes TDS in Water:Our water spot remover filter uses pre-mixed premium resin, reduces mineral and calcium-magnesium ion particles in the water, can reduce scratches and wear on the paint during washing.When water passes through the resin, TDS (total dissolved solids) are removed. Each cartridge will remove approximately 1,800-2,000 TDS before you need to replace the resin.
  • A dedicated replacement kit to save you money: Our car wash system is not a disposable product. When the resin life in the car wash machine runs out, you can choose to purchase a Filterelated dedicated replacement kit. You just need to put the filter back into the jar, install the parts in the jar, connect them to the garden faucet, and then you can start cleaning. It can save you a lot of car washing costs. Our storage tank has a long service life, so you only need to consider replacing the filter element.
  • It should be noted that our car wash system is only used for the last step of the car wash, when in use, please ensure that all accessories are securely connected and the tank is tight. Otherwise, it may lead to incomplete filtration and shorten service life. If you have any questions about pure water systems, please feel free to contact Filterelated.

Last update on 2025-06-10 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Portable Car Washing System?

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