Top 5 Best Windshield Washer Fluids and Additives to Buy 2018

Rain-X RX11806D Washer Fluid Additive - 16.9 fl. oz.

Spring is here, and summer is right around the corner. As the temperatures begin to heat up, you are probably ready to get both yourself and your family out for a few fun adventures. Before hitting the road, there are a few safety features to take into consideration. While some may not consider locating the best windshield washer fluid an important part of a spring or summer safety tune up, this fluid can mean the difference between seeing the road ahead or being lost in a mirage of bug guts, dirt, dust and other forms of seasonal debris.

Why is Windshield Washer Fluid Important?

So, why exactly is this fluid so important? When used alongside properly working the best windshield wipers washer or wiper fluid is used to remove debris and assure that you, the driver, has the clearest view of the road ahead.

Along with keeping your vehicle’s windshield clean, this lubricating liquid also keeps parts of the washer system from corroding and working at peak levels. Best of all, windshield washer fluid extends the life of your vehicle’s wiper blades and prevents scratches from forming on the windshield.

Top 5 Best Windshield Washer Fluids Reviewed

Types of Windshield Washer Fluid

Now that you are aware of the benefits that come from the use of windshield washer fluid, the next step is finding the best washer fluid type for your vehicle. The most common form of washer fluids include:

  • Anti-Freeze Washer Fluid: Although the weather has begun to warm up in many areas of the world, there are times when cold weather will creep in during the most unexpected times. If you live in an area where temperature fluctuations occur, locate a hard-working washer fluid that contains anti-freeze to ensure that the washer fluid system continues to operate at its peak.
  • Water Repellent: This form of windshield washer fluid coats the windshield with a formula that aids in the formation of water beads that easily flow off your windshield to aid in increased visibility. This fluid is also ideal for snow and ice.
  • All Season: If you are in the market for a windshield washer fluid that can handle it all, all season washer fluid is the perfect choice. No matter what the temperature outside all season fluid will work to keep your windshield sparkling and clear.
  • Bug Repellent: Although spring and summer are fun times of year, this time of the year also brings with it bugs and birds. Bug repellent washer fluid will remove the bodies of those bugs who choose to smash themselves against your windshield vs. leaving huge, disgusting smears across this pane of safety glass.
  • Washer Concentrate: For those who need to save space as well as a few dollars, should be made aware of windshield washer concentrate. No matter whether you choose a liquid or tablet form, small bottles of concentrate can be mixed with a gallon of water and added to the windshield washer reservoir of your vehicle’s engine.
  • Washer Fluid Additive: Like some dishwashing liquids, adding a cleaning additive aids in the elimination of streaks and spots that can be left by some windshield washer fluids. Adding this to your choice of washer fluids will assure that you have a spotless, streak free shine no matter what kind of conditions you may be driving in.

#1 - Rain-X RX11806D Washer Fluid Additive

Rain-X RX11806D Washer Fluid Additive - 16.9 fl. oz.

If you have already found the best windshield washer fluid for your vehicle and are interested in beefing this up a bit with a washer additive, you may want to check out Rain-X Washer Fluid Additive.

After adding this product to your washer fluid, this sealant acts much like car wax in that it causes rain, road spray, sleet, snow, ice to bead up and flow off of your windshield.

This waxy substance could also make removing mud and dirt a bit easier over time and even improve driver response time by a second or more.


  • Repels rain, snow, and sleet for superior wet weather driving visibility
  • Provides superior visibility and improved safety
  • Treating your windshield with Rain-X makes it easier to remove dirt and dust to make washer fluid more effective
  • Easy to use treatment for set in, tough to remove bug residue, tree sap, and other debris
  • Made by the experts in visibility for over 40 years


  • Could cause the windshield wipers to become noisier

#2 - nextzett 92100815 Kristall Klar Washer Fluid 1:200 Concentrate

nextzett 92100815 Kristall Klar Washer Fluid 1:200 Concentrate - 8.5 fl. oz

For those who like the idea of a windshield washer concentrate, but have concerns about a dissolving tablet you may want to check out Kristall Klar Washer Fluid Concentrate.

When mixed with tap water each dose of this liquid concentrate, which was born out of a request made by automakers in Germany, each 1.5 gallon of washer fluid promises to remove dirt, grime and bug guts without causing smearing or glare.

On the plus side, lubricants are also the ideal addition to reduce wiper skipping and shuddering effects.


  • Removes bugs and dirt
  • Includes water softeners that prevents hard water minerals from clogging spray jets
  • Leaves a smear-free finish without white residue
  • Keeps wipers quite even during a rain storm


  • Strong smell that can permeate into vehicle

#3 - 303 (230371) Instant Windshield Washer

303 (230371) Instant Windshield Washer, 25 Tablet

For those with little to no space and a desire to enjoy a few upcoming summertime adventures with your vehicle, you may want to check out 303 Instant Windshield Washer.

When each tablet provided is mixed with one gallon of water, this super concentrated windshield washer offers the opportunity to removes bugs, road film, dirt, and grime. Thanks to only needing one tablet per each reservoir fill-up, this economical choice of washer fluids can also be taken with you anywhere that you want to go.

The washer fluid that doesn’t need a bottle even aids in keeping excess bottles outside of the nation’s landfills.


  • Three times the cleaning power of ordinary windshield washer fluid
  • Easy to use
  • Earth Friendly
  • Easy storage
  • Great for bug splatters


  • May leave residue behind on windshield or wipers if have hard water

#4 - Aqua Charge Windshield Washer Ultra Concentrate

Aqua Charge Windshield Washer Ultra Concentrate, 1 quart makes 55 gallons finished product

Created by two chemists, with a passion to develop more environmentally friendly chemicals, Aqua Charge Windshield Washer Ultra Concentrate is formulated with hard-working ingredients that remove road grime and tar, bird droppings, tree sap and the worst bug residue possible.

If you are a space conscience person who prefers to be as far away from harsh chemicals as possible, the small but mighty washer that stays away from dangerous chemicals like methanol might be the ideal choice for you. Just keep in mind that this earth-friendly product also contains a dye product that should be handled carefully, so be sure to follow the directions.


  • Great for spring and summer months to remove sticky substances like bug guts
  • Wipes to a streak free shine


  • Cannot be used without mixing with water or methanol

#5 - Prestone AS257 Bug Wash Windshield Washer Fluid

Prestone AS257 Bug Wash Windshield Washer Fluid - 1 Gallon

Created by a company who produces some of the leading antifreeze/coolants, brake fluids and steering fluids in the country, Prestone’s AS257 Bug Wash Windshield Washer Fluid was formulated for the summer months.

If you and your family’s vacation plans include locations that promise beauty that you will have to share with other wildlife like big bugs you may want to consider the fluid that creates a barricade against these creatures. With special ingredients that are formulated to repel rain, road spray and even bugs from your vehicle’s windshield to provide a powerful streak and glare-free clean that is safe for rain-sensing wipers.


  • Removes sticky substances from the windshield, like bugs and tree sap
  • No need to mix with any other products


  • Not designed for the winter, due to lack of antifreeze
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    Strange smell

Avoiding Dangerous Imposters

There are people out there who will advise you to make your own windshield washer fluid or to save a few dollars through the use of water. With the advent of the internet, everyone is offered their own forum, but there are times when it is best to take advice from the experts before causing damage to one of your most prized possessions.

One of the most dangerous and cheapest forms of DIY windshield washer fluid’s that some at home mechanics may recommend filling your washer fluid reservoir with comes directly from your tap.

The use of plain water in your car, truck or SUV is one of the most common mistake that drivers make these days. Along with allowing rust and ice to form in colder temperatures, using water versus a chemical that is specifically designed for your vehicle will also lead to system clogs and a serious lack of visibility.

Using a windshield washer fluid that does not contain alcohol could also lead to freezing or even the development of diseases like Legionnaire’s disease, which causes shortness of breath, headache, chest pain and more.

Check & Fill Windshield Washer Fluid

Once you have decided on the best windshield washer fluid it is time to fill up your washer reservoir and, fortunately, this is a pretty simple process. To start, pull your vehicle onto a level service and turn the engine off. After, pop open your hood and find the top for the windshield wiper fluid tank, which will have an image of fluid squirting onto the windshield and will often have “Washer Fluid” written on the cap.

After taking the cap off of the windshield washer fluid reservoir, verify if this tank is low or empty. If the fluid level is less than half full, it should be topped off. Be sure to fill the tank to the fill line, using a funnel if necessary. Before closing the hood, screw the top back on until it snaps down tight.

Be sure to test the system after filling the fluid tank to be sure that everything is working properly.


Spring and summer is the perfect time to hit the road and start enjoying all of those fun family adventures. Although you may not plan for it, these adventures can also lead to unsafe conditions like a dirty, sticky windshield with very little disability. In order to enjoy all of your family’s adventures this season safely, it is important to find the best windshield washer fluid for your vehicle and as you see we have made this process an easy one.

Steven K. Galloway