9 Best Deionized Water Filters for Pressure Washers in 2023

When it comes to pressure washers, having access to clean and pure water is essential for optimal performance. Deionized water filters are a great way to ensure that your pressure washer is running with the best quality water possible.

These filters remove impurities from the water, such as minerals, salts, and other contaminants, leaving you with pure H2O that won’t damage your machine or leave behind any residue.

In this article, we’ll be looking at some of the best deionized water filters available for pressure washers so you can make sure your machine is running at its peak performance.

Best Deionized Water Filters for Pressure Washers

Our recommended deionized water filters for pressure washer

  1. AQUATICLIFE Deionized Water System For Car
  2. CR Spotless Deionized Water System For Car
  3. WaterSentinel Deionized Water System For Car
  4. Unger Deionized Water System For Car
  5. CR Spotless DI-120 Deionized Water System For Car
  6. APEC Deionized Water System For Car
  7. Simple Deionized Water System For Car CR
  8. Adam’s Deionized Water System For Car CR
  9. The Clean Garage Deionized Water System For Car CR

1 – AQUATICLIFE Deionized Water System For Car

The AQUATICLIFE Deionized Water System for Car is a great spot-free car wash solution that easily assembles and is suitable for any vehicle. It effectively removes Total Dissolved Solids (TDS) from the water, to prevent hard water spots from appearing on your car’s exterior.

The Dual DI Unit Housing with Mounting Bracket includes plumber’s tape, cartridges, wrench, adapters, flow regulator, and even instructions that make installation and setup a breeze. Plus, it can be used on any vehicle—whether it’s a car, truck, motorcycle, or home window.

The DI car wash system will also do all the “heavy lifting” so you don’t have to worry about towel drying your car after rinsing it off. You just have to wait for it to air dry!

This deionized water filter is designed with high quality craftsmanship to last you many years of use. When the resin in the cartridges are used up they’ll change colors which marks when you should purchase bulk color changing deionized resin for refilling.

2 – CR Spotless Deionized Water System For Car

If you’re looking for a spot-free clean after washing your car, the CR Spotless Deionized Water System is just what you need. The flagship model DIC-20 provides up to 300 gallons of mineral-free, de-ionized water based on input water quality. This unit comes with two 20-inch de-ionization housings that feature replaceable or refillable cartridges that simply slide into the watertight tubes.

The entire system is mounted on a powder coated, rust resistant rolling cart so it’s easy to move and store away when you are finished. It also comes complete with all the items necessary for use the same day it arrives at your doorstep! What’s more, it allows you to wash and rinse in direct sunlight without having to worry about spots and streaks getting welded into your paint.

This simple technology has been around for years but didn’t become widely known until 2004 when we started offering this amazing product. Now, you can enjoy an effortless, spot-free finish after washing your vehicles like garage queens, motorcycles, solar panels, windows, daily drivers, and much more with ease!

3 – WaterSentinel Deionized Water System For Car

The WaterSentinel Deionized Water System For Car is a heavy-duty design made in the USA, with reusable blue filter caps and reinforced 8″ brass crimped hose extensions of lead-free construction.

This superior technology utilizes sediment packs on both the inlet and outlet to reduce calcium, dust, rust, sand, and silt with no clogging. By using deionized media, ions are dissolved in the water, making it mineral-free and helping to avoid hard water scale.

This system is incredibly easy to use only requiring plug & play set up and fitting standard 3/4″ garden hoses threading. When it comes to lasting value simply finish off with a final rinse at a low setting of 0.5 GPM flow rate for maximum DI media contact – this will help to rinse out the hard water from before wiping off all excess water from your car and let it dry naturally in the sun up to 20 rinses! The WaterSentinel Deionized Water System For Car offers ultimate protection.

4 – Unger Deionized Water System For Car

Unger has created an amazing system exclusively for car washing that utilizes the same professional-grade technology as the car wash–deionization. Through this process, harmful minerals and contaminants are filtered out of the tap water, so all you’re left with is a fresh and spotless end result.

The Unger Rinse ‘n’ Go system is lightweight and easy to transport, plus it’s pre-assembled right out of the box! With this incredible device there’s no need to hand dry; just rinse and go!

You can also use it on RV’s, motorcycles, windows, solar panels, and more. So if you’re looking for a revolutionary way to get a perfect clean for your car every time, then you should definitely check out the Unger Rinse ‘n’ Go deionized water system!

5 – CR Spotless DI-120 Deionized Water System For Car

The CR Spotless DI-120 Deionized Water System is the perfect choice for anyone looking for an economical and effective pressure washer filter system. Enjoy up to 150 gallons of spot-free water, or even more depending on your inbound water quality.

You’ll love the convenience of being able to wash and rinse with spot-free water – you can even do it in direct sunlight without worrying about spots!

This proprietary deionized water system comes ready to use and contains all the items needed for immediate spot-free rinsing. From detailed car care (including ‘garage queens’ and daily drivers) to mountain bikes and golf carts, this system will help you shine up any surface in no time at all. Plus, enjoy the freedom that comes with not having to rush before the sun dries up your rinsed surfaces!

Make sure that you order yours today so you won’t have to regret not taking advantage of this incredible technology sooner!

6 – APEC Deionized Water System For Car

The APEC Deionized Water System For Car is the best filter for your pressure washer. You won’t need to hand-dry after and it removes all spot causing impurities, so you’re guaranteed a super clean finish. When water passes through, it releases hydrogen and oxygen which makes any color of paint chrome and glass shine brighter than ever before.

This versatile system is suitable for residential – not commercial – use and has a 20-inch deionized water filter that captures dissolved solids, giving you a professional looking result for less time and money.

It can also be used on cars, making them look their absolute best. So if you want your car, or anything else for that matter, to look its absolute best while saving both time and money then this is the product for you!

7 – Simple Deionized Water System For Car CR

The Simple Chuck Double Chuck Deionized Water System for Car CR offers the perfect solution for anyone who wants a quick and easy way to keep their car clean. This system comes ready to go upon arrival, with a stainless steel input hose, pressure regulator (use if you aren’t sure if your feed pressure is below 70 psi), quick disconnects, and more.

Plus, it’s as efficient as it is convenient – no need for a TDS meter, just check the filter on the right side that changes color when expired. And when it’s time to replace the filters, simply order them online or by phone and have them arrive in 2-7 days – all you need to do is drop the expired cartridges into the shipping container and attach the prepaid label.

Once installed, you can attach your garden hose or pressure washer and wash away with ease – best of all, you don’t have to worry about performance being reduced due to any pressure beyond 70 psi. The unit also measures up at 23″ tall x 10.25″ wide x 16.5″ deep so it won’t take up too much space either.

So if you’re looking for an efficient deionized water system for car CR that will keep your car spick and span like new – then Simple Chuck’s Double Chuck Deionized Water System is definitely worth a closer look!

8 – Adam’s Deionized Water System For Car CR

Adam’s Deionized Water System For Car CR is the perfect water filter for pressure washers. It measures 22″ in height and 9.5″ in diameter and weighs 32 lbs, so it fits compactly anywhere you need it. Plus, it comes with a TDS meter to measure the amount of minerals present in your water supply before and after filtration.

The preloaded, non-regenerated, high-grade resin can filter up to 1,120 gallons of hard minerals from your water supply, resulting in pure deionized water that is perfect for washing cars.

This system also comes with a 4 ft line with a 5/8″ hose connection for an even easier setup. And if you ever need more resin to refill the system, there’s a 20 lb resin refill kit available as well (0.50 cubic foot). All of these features make Adam’s Deionized Water System For Car CR one of the best filters out there!

9 – The Clean Garage Deionized Water System For Car CR

The Clean Garage Deionized Water System for Car CR is the perfect way to get spot-free rinses. The system uses bulk resin, which means that you don’t have to worry about expensive cartridges, and it has a bypass head which makes it easy to turn the water treatment on and off. It’s great for use with car washes, window cleaning, and much more!

The ultra-pure deionization tank utilizes a mixed-bed DI resin to remove any minerals that could create spots in the water entering it. So you can be sure that using this system will leave you with a spotless result! You can use a TDS meter to measure your waters PPM before using the system in order to get an estimate of how long one tank of resin will last you.

When the time comes and your resin needs replacing, all you need is one of our refilling funnels made for these tanks and then your machine will be as good as new! With its simple set up, ease of use, and convenience, Clean Garage’s deionized water system for Car CR is the ideal choice for spotless results every time.


What are the benefits of deionized water?

The use of deionized water in a pressure washer offers many benefits. By removing all total dissolved solids, the water is extremely pure and ideal for a variety of tasks, including machine shops, manufacturing, alcohol distilling and even kidney dialysis.

Another great benefit of using deionized water in your pressure washer is its ability to provide a spot free rinse with no additional towel drying required. This makes it an excellent choice for auto, motorcycle and small plane detailers, boat and RV owners, as well as window washers who want to leave their surfaces sparkling clean after just a finishing rinse.

Deionized water can also help extend the life of your pressure washer by preventing mineral buildup on system components. So whether you’re looking for cleaning power or long-lasting performance, using deionized water in your pressure washer is definitely something worth considering!


Is deionized water safe for metallic pipes?

When it comes to protecting your pressure washer’s pipes, deionized water is the safe choice. Deionized water has been treated to remove any dissolved mineral salt and other impurities, making it a great choice for metallic pipes and hoses which might corrode when exposed to regular water with a high concentration of minerals.

This means that with a deionized water filter attached to your pressure washer, you can be assured that your metals won’t corrode or degrade over time due to these potentially harmful substances. So if you’re looking for a reliable way to protect your metallic piping systems from corrosion and degradation, then investing in an effective deionized water filter for your pressure washer is definitely the way to go.


What type of deionized water is suitable for the car washing application?

When it comes to what type of deionized water is suitable for the car washing application, a weak base deionization process is definitely the way to go. This process helps to get rid of any scale spots on the car and ensures that the highest quality water is used.

The process also has an effect on the water property, making sure that all minerals are removed so that only pure, clean water runs through your pressure washer. This is perfect for car washing applications that require large amounts of clean water in a short amount of time.

So if you’re looking for a deionized water filter for your pressure washer, make sure you pick one with a weak base deionization process – it’ll help you get the spotless, scratch-free wash you need!


How to Use a Pressure Washer Without a Water Supply?

If you don’t have access to a water supply and don’t have a barrel or container handy, fear not! You can still use your pressure washer without one. All you need is to purchase a deionized water filter that’s suitable for your pressure washer model.

This filter will remove any contaminants or impurities in the water so it runs smoothly through your pressure washer and won’t cause any damage. After installing the filter, all you need to do is turn on the water supply and let the cleaner run through. It should be able to rinse away dirt and debris without worrying about clogging up any pipes or causing damage.

By using this water filtration system, you’ll be sure to get the best possible performance out of your pressure washer while also protecting all its delicate internal parts from corrosion or damage due to contaminated water passing through it. So if you’re looking for a reliable way to clean your home or property with a pressure washer, this is definitely an option worth considering!


FAQs

What are the features of a good car wash hard water filter?

Installing a car wash water filter can reduce built-up minerals and other contaminants for superior cleaning. This will also help prolong the life of your car wash system by preventing limescale accumulation.

How do car wash hard water filters work?

Hard water filters for car washes eliminate the hard minerals from the water, protecting your car’s paint and keeping it looking clean.

What are the benefits of using a car wash hard water filter?

A car wash filter specifically designed for hard water can help prevent spotting and streaking on your car’s paint and windows. This can also reduce the risk of mineral deposits, keeping your car looking its best.

Are there any drawbacks to using a car wash hard water filter?

A car wash hard water filter may have a few drawbacks, such as being challenging to find the right fit for your system and the cost of replacements.


Conclusion

In conclusion, a deionized water filter is essential for anyone who uses a pressure washer. Not only will it help to prolong the life of the equipment, but it can also ensure that you get a consistently high quality and clean final product.

With so many models available on the market today, finding the best one for your needs means understanding what type of filtering system works with your particular machine. Once you have that figured out, you’ll be ready to enjoy the benefits of having a high-quality deionized water filter for your pressure washer!

Joanna G. Lackey

Hi, I'm Joanna, a writer freelance writer who specializes in topics about health and nutrition. I live in the Pacific Northwest with my husband and three children. I'm a mom to two dogs and a cat. I love reading, writing, and taking photos.