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Each cartridge will remove approximately 1, 800-2, 000 TDS before you need to replace the resin. Quality craftsmanship, built to last – you’ll get many years of use from this di car wash system.
Does all the "heavy lifting" for you – this water deionizer for car washing delivers a spot-free rinse without you having to towel dry. Effectively removes tds in water – when water passes through the resin, tds total dissolved solids are removed. Suitable for use on any vehicle – hard water spots are no match for this deionized water system. When the resin in the cartridges is used up, they’ll turn a tan color.


Stop paying for over priced cartridges, our systems use bulk resin that can be purchased by the cubic foot to refill. Simply turn both red dials inward to bypass the resin treatment. The water produced is an excellent use for a spot-free car and RV wash, window cleaning, and much more! Our system removes impurities from your water that can cause water spots.


Besides cars, too! de-ionized water is the secret sauce that detailers, motorcycle, and window cleaners have used for decades. All cr spotless water systems also include a battery operated TDS meter that will measure the quality of the water coming out of the system.
Work smarter, not harder and spend less time and money to get the same professional looking results. Depending on the quality of the water where you live, you can get between 75 and 1000 gallons of deionized water from one resin cartridge. The di-120 comes complete with one 20 inch cartridge containing a mixed bed of de-ionizing resin that will produce approximately 200 gallons of mineral-free water based on an average TDS level of 200 ppm. Cr spotless was the first to make the same technology available to homeowners in an affordable, compact, and portable system.



This filtered water will better protect the paintwork of your car. In addition, the filter is ideal for car washing, window washing, the upgraded filter is smaller and lighter than the traditional filter, yard and fence cleaning. The filter is easy to use and can meet your daily needs.
The durable inline water filter can fully meet your outdoor water needs for 1 month. It also fits pressure washers. Meeting your outdoor needs: professionally developed for outdoor cleaning, use this filter to wash your vehicle instead of relying on expensive car washing services. Efficient cleaning: the inline car wash water filter catalyzes the effort of the detergent, and effectively reduce water spots caused by air-dried minerals after car washing and yard cleaning.

Rinse hard water off, wipe-off all excess water and let air-dry in the sun. Superior technology: filtration applied by sediment pack on inlet and outlet to reduce calcium, sand and silt. Deionized media dissolves ions for mineral free water, dust, rust, prevents hard water scale.

1. AQUATICLIFE
#ad
Premium Water Deionizer for Car Washing, AQUATICLIFE Deionized Spot-Free Car Rinse Unit, Spotless Car, RV, and Motorcycle Wash System
#adAQUATICLIFE #ad - Purchase our bulk color changing deionized resin to refill. Wash your vehicle using the spot-free car rinse unit and let air dry. It’s as simple as that. It’s an excellent choice for cleaning a car, motorhome, bicycle, RV, truck, motorcycle, even the outside of your windows at home.Each cartridge will remove approximately 1, 800-2, 000 TDS before you need to replace the resin. Quality craftsmanship, built to last – you’ll get many years of use from this di car wash system.
More information #ad
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, Adapters, Wrench, Flow Regulator, 2 Cartridges, and Instructions. Does all the "heavy lifting" for you – this water deionizer for car washing delivers a spot-free rinse without you having to towel dry. Effectively removes tds in water – when water passes through the resin, tds total dissolved solids are removed. Suitable for use on any vehicle – hard water spots are no match for this deionized water system. When the resin in the cartridges is used up, they’ll turn a tan color.
Brand | AQUATICLIFE #ad |
Manufacturer | Aquatic Life #ad |
Part Number | 540565 |
Model | 540565 |
More information #ad
2. Unger
#ad
Unger Rinse 'n' Go Spotless Car Washing System with Deionization Filter
#adUnger #ad - Lightweight, compact, and ready to use right out of the box. Deionization removes minerals and contaminants for a spotless and streak-free result. No need to hand dry - just wash, rinse, and go.More information #ad
Supports up to 11 car washes. Uses the same technology that professional car washes use for spotless and streak-free results. Great for rv's, windows, motorcycles, solar panels, and more.Brand | Unger #ad |
Manufacturer | Unger Industrial, LLC #ad |
Height | 13.25 Inches |
Length | 11 Inches |
Weight | 8 Pounds |
Width | 11 Inches |
Part Number | 975450 |
Model | 975450 |
Warranty | Limited Manufacturer's Warranty |
More information #ad
3. The Clean Garage
#ad
The Clean Garage Spot Free Car Wash System 50 | Deionized Water DI Rinse | Bypass Head and TDS Meter Included
#adThe Clean Garage #ad - These impurities are called Total Dissolved Solids TDS. Our ultra pure deionization tanks used mixed bed di resin to remove all spot causing minerals from the water fed to the tank.Stop paying for over priced cartridges, our systems use bulk resin that can be purchased by the cubic foot to refill. Simply turn both red dials inward to bypass the resin treatment. The water produced is an excellent use for a spot-free car and RV wash, window cleaning, and much more! Our system removes impurities from your water that can cause water spots.
More information #ad
Making the longer term cost of our system much cheaper. Say goodbye to water spots with our spot Free Car Wash System 50 | Deionized Water DI Rinse | Bypass Head. Our bypass system allows you to easily turn the water treatment on and off.Brand | The Clean Garage #ad |
Manufacturer | The Clean Garage #ad |
Part Number | DI50BP-WTDS |
More information #ad
4. APEC Water Systems
#ad
APEC Spot Free Water Deionization Car Wash System CWS-300
#adAPEC Water Systems #ad - Work smarter, not harder and spend less time and money to get the same professional looking results. No hand-dry needed. Versatile use suitable for residential usage; NOT for commercial use. 20” super efficient di filter captures dissolved solids and releases hydrogen and oxygen when water passes through, making the color, chrome, paint, and glass shine as bright as possible.More information #ad
Removes 100% of all spot causing impurities. Deionized water makes the color/paint/chrome/glass shine as bright as absolutely possible.Brand | APEC Water Systems #ad |
Manufacturer | APEC Water #ad |
Height | 10 Inches |
Length | 30 Inches |
Weight | 51 Pounds |
Width | 15 Inches |
Part Number | CWS-300 |
Model | CWS-300 |
More information #ad
5. CR Spotless
#ad
CR Spotless DI-120 Simplest RV & Car Wash System, Spotless Rinse Works for All Vehicles, Motorcycles, Yachts, Planes, Deionized Water System, Bikes, Towel Drying Eliminated, Boats
#adCR Spotless #ad - The di-120 has an integrated stand that makes it easy to lift and carry anywhere with only one hand. That’s why we created a de-ionizing system that takes out all of the minerals in your water so you can just WASH, and WALK AWAY! With a cr spotless water system, car washes, golf cart, RINSE, boat, and house windows, de-ionized water is perfect for washing and SPOT-FREE rinsing of your RV, you can let your car air dry and not leave any spots behind.Besides cars, too! de-ionized water is the secret sauce that detailers, motorcycle, and window cleaners have used for decades. All cr spotless water systems also include a battery operated TDS meter that will measure the quality of the water coming out of the system.
More information #ad
We know. Hard water spots can destroy your vehicle’s finish. Includes one 20-inch de-ionizing resin cartridge, Stainless Steel input Line, filter wrench, Spray nozzle, and battery operated water Purity Indicator - 1 Year. Work smarter, not harder and spend less time and money to get the same professional looking results. Depending on the quality of the water where you live, you can get between 75 and 1000 gallons of deionized water from one resin cartridge. The di-120 comes complete with one 20 inch cartridge containing a mixed bed of de-ionizing resin that will produce approximately 200 gallons of mineral-free water based on an average TDS level of 200 ppm. Cr spotless was the first to make the same technology available to homeowners in an affordable, compact, and portable system.
Brand | CR Spotless #ad |
Manufacturer | CR Spotless #ad |
Height | 28 Inches |
Length | 14 Inches |
Weight | 27 Pounds |
Width | 14 Inches |
Part Number | DI-120 |
Model | DI-120 |
Warranty | Includes 1 Year System Warranty |
More information #ad
6. H2O Mobile Spotless
#ad
Windows or Solar Panels., Mobile Spotless Car Wash-Spot Free Rinse Water Demineralizer/Deionizer, 650 gal at 10 grainsRinse Down Your RV Car, Boat
#adH2O Mobile Spotless #ad - Turns tap Water Spotless. Spotless rinse. Spot free treatment Model With Handle for carrying. Designed for Addition of a Quality Light. Work saving, Wipe Free Rinsing.More information #ad
Brand | H2O Mobile Spotless #ad |
Manufacturer | MobileH2O #ad |
Height | 21.63 Inches |
Length | 10.25 Inches |
Width | 10.25 Inches |
Part Number | MSL0918-M-0.5-MB6040-C-0 |
More information #ad
7. Mr. Clean
#ad
Mr. Clean AutoDry Car Wash System Starter Kit
#adMr. Clean #ad - Provides a spot-free clean with no need to hand dry! Starter kit includes mr clean AutoDry Device, 3-use starter soap, 3-use starter filter. Mr clean autodry Filter removes spot-causing minerals from final rinse water.More information #ad
Lightweight device has 3 separate nozzles for regular rinsing, spraying soap solution, and spraying filtered water. Device features: durable abs plastic housing, filter change indicator, soap reservoir with vacuum metering to deliver consistent soap mixture, leak-resistant hose hook-up, textured handle to prevent slippage.Brand | Mr. Clean #ad |
Manufacturer | Mr. Clean #ad |
Height | 1 Inches |
Length | 1 Inches |
Weight | 0 Pounds |
Width | 1 Inches |
Part Number | 43572 |
Model | 43572 |
More information #ad
8. AQUA CREST
#ad
Effectively Reduce Hard Water Spots, Dedicated for Car Washing, Soften Water, Upgraded Formula, Pack of 2, Window & Yard Cleaning, AQUACREST Inline Water Filter
#adAQUA CREST #ad - Several stages of filtration efficiently reduce harmful elements such as chlorine, as well as sediments. Multi-filtration: unlike the single filtration that other brands provide, iron, aluminum, lead, magnesium, mercury and other heavy metals, cadmium, our upgraded composite car wash filter contains superior resin.This filtered water will better protect the paintwork of your car. In addition, the filter is ideal for car washing, window washing, the upgraded filter is smaller and lighter than the traditional filter, yard and fence cleaning. The filter is easy to use and can meet your daily needs.
More information #ad
More cost-effective: the inline car wash filter has a lower average weekly cost than expensive car washing services, thereby saving you money. The upgraded formula prolongs the service and storage life of the filter, ensuring long-lasting, clean, and hygienic use. You’ll enjoy clean and fresh water while protecting the paintwork of your car and beautifying your yard. The durable inline water filter can fully meet your outdoor water needs for 1 month. It also fits pressure washers. Meeting your outdoor needs: professionally developed for outdoor cleaning, use this filter to wash your vehicle instead of relying on expensive car washing services. Efficient cleaning: the inline car wash water filter catalyzes the effort of the detergent, and effectively reduce water spots caused by air-dried minerals after car washing and yard cleaning.
Brand | AQUA CREST #ad |
Manufacturer | AQUACREST #ad |
Part Number | AQU-CW-2 |
Model | AQU-CW-2 |
More information #ad
9. WaterSentinel
#ad
WaterSentinel SF-20W Spotless Car Wash Inline Deionized Water Garden Hose Water Filter & Extension Adapter for RV, Marine, Spot Free Wash, Home, Windows, Solar Panels, Motorcycle, Boat
#adWaterSentinel #ad - Simple to use: plug & play design, no tools required. Heavy duty design: made in the usa, reusable blue filter capsend to end preserves resin.Rinse hard water off, wipe-off all excess water and let air-dry in the sun. Superior technology: filtration applied by sediment pack on inlet and outlet to reduce calcium, sand and silt. Deionized media dissolves ions for mineral free water, dust, rust, prevents hard water scale.
More information #ad
Reinforced 8" brass crimped hose ext, lead free, internal seal gasket. No clogging. Fits standard 3/4" garden hose thread. Lasting value: on "final rinse" set spray nozzle to mistlowest setting >05gpm flow to allow for maximum DI media contact. Use up to 20 rinses.Brand | WaterSentinel #ad |
Manufacturer | Aquamor, LLC #ad |
Height | 2.5 Inches |
Length | 12 Inches |
Weight | 2 Pounds |
Width | 2.5 Inches |
Part Number | 112503 |
Model | SF-20W |
More information #ad
10. Rain-X
#ad
48 fl. oz., Rain-X 620034 Spot Free Car Wash
#adRain-X #ad - Spot-free formula sheens water off vehicle. Leaves a bright shine on the vehicle. No spots after water evaporates; no towel drying necessary. Deep cleaning high foam soap cuts through dirt. Concentrated formula.More information #ad
Brand | Rain-X #ad |
Manufacturer | Rain-X #ad |
Height | 5 Inches |
Length | 9 Inches |
Weight | 0.02 Pounds |
Width | 3.25 Inches |
Part Number | 620034 |
Model | 620034 |
Warranty | Contact Manufacturer |
More information #ad