Rain-X Windscreen Washer Additive Concentrated Screen Wash - 1L

Rain-X Windscreen Washer Additive is a powerful concentrated screen wash designed for spotless cla...

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Product Information

Full details

The Rain-X Windscreen Washer Additive is ideal for drivers seeking improved visibility and cleaner glass in all driving conditions. This powerful concentrate effectively breaks down stubborn debris like insect residue, tree sap, and bird droppings, transforming standard reservoir water into a high-performance cleaning solution. While it provides excellent clarity and streak-free performance, users should remember that it is a concentrated formula and must be added directly to the washer fluid reservoir rather than applied undiluted to dry paintwork.

All features

Model Part NumberRX26037
BrandRain-X

Extended Product Information

FAQs

Can I use this in any car?

Yes, this additive is compatible with the washer systems of virtually all passenger vehicles.

Is this product safe for my car's paintwork?

It is designed to be used in the washer reservoir. If you spill concentrated fluid on your paint, it is recommended to rinse it off with water immediately.

How much should I pour into the reservoir?

Follow the dosage instructions on the bottle label, which will specify the recommended ratio based on the size of your reservoir.

Does this provide a water-repellent coating?

This specific product is a cleaner/additive focused on removing grime and ensuring clarity, rather than a dedicated hydrophobic glass treatment.

Can I mix this with standard blue screen wash?

It is recommended to use this product independently for the best cleaning results; mixing different chemical formulations is generally discouraged.

Will this freeze in the winter?

While it aids in cleaning, you should always ensure your final mixture has appropriate anti-freeze properties if you live in a climate that experiences sub-zero temperatures.

Troubleshooting

Wipers continue to smear the glass

Your wiper blades may be worn or contaminated with oil; clean the rubber edges with a microfiber cloth or replace the blades.

Washer jets are not spraying properly

Check if the washer fluid nozzles are blocked by debris and clear them with a thin pin, or verify if the reservoir is adequately filled.

Streaking despite using the additive

Ensure you are using the correct concentration ratio; adding too much concentrate relative to the amount of water can sometimes cause temporary haze.

Pros and Cons

Pros

  • High concentration allows for many refills from one bottle
  • Effectively removes stubborn organic stains like bird droppings and sap
  • Promotes smooth wiper blade movement for a streak-free view
  • Suitable for use in all weather environments
  • Compact 1L size is easy to store in a trunk or garage

Cons

  • Requires careful measurement to avoid over-concentration
  • Not intended for direct spray application on exterior car paint
  • May require more frequent application in high-pollen or heavy-bug seasons

Setup, Compatibility & Care

To use the Rain-X Windscreen Washer Additive, locate your vehicle's windscreen washer fluid reservoir—usually identified by a cap with a windshield icon. Ensure the engine is cool before opening. Pour the required amount of concentrate directly into the reservoir, then fill the remainder with clean water.

Compatibility is generally universal across all vehicle makes and models. For care, keep the bottle tightly sealed in a cool, dry place away from direct sunlight to maintain the integrity of the chemical formula. Do not mix this product with other concentrated additives unless specified by the manufacturer, as this may alter the cleaning efficiency or cause clouding.

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