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Granger's Clothing Repel GRF91, 1 Litre Wash-In Waterproofer1 / 5
Product guide

Granger's Clothing Repel GRF91, 1 Litre Wash-In Waterproofer

Waterproofer: Granger's Clothing Repel GRF91 is a 1-litre wash-in treatment for waterproof outdoor clothing. The listing says it is suitable for breathable waterproof fabrics, including GORE-TEX, eVent and FutureLight, while customer feedback reports mixed waterproofing results.

At a glance

  • Wash-in waterproofing treatment intended for outdoor clothing and jackets.
  • The manufacturer claims suitability for breathable waterproof clothing and membranes, including GORE-TEX, eVent and FutureLight.
  • The listing describes a water-based, PFC-free formulation and a lighter pouch with 72% less plastic packaging.
Price
£16.49Save 23%

Reference price: £21.50

Price checked: 13 Nov 2026

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Often bought together

Pros and cons

Pros

  • Wash-in application may suit buyers who prefer treating garments in a wash rather than using a spray.
  • The listed membrane compatibility covers several named breathable waterproof fabric systems.
  • One-litre size provides a larger quantity than small-format treatments.

Technical specifications

9 specifications
Identity
BrandGranger's
ModelGRF91
Product details
FormLiquid
Volume1 Litres
ScentFresh
Recommended surfaceFabric
Material featureBiodegradable
Special featureFluoride Free
Weight listed1020 Grams

What to know before buying

Listing details to confirm

The manufacturer describes the one-litre product as a pouch, while the included-components field says “1 Bottle”. Customer feedback also reports mixed waterproofing results, including reports of no waterproofing effect, so results should not be assumed for every garment.

What’s in the box

Included
  • 1 bottle

Who is it for?

A good fit for

  • People looking for a wash-in treatment for waterproof outdoor jackets and clothing.
  • Owners of breathable waterproof garments who want a treatment listed as compatible with GORE-TEX, eVent or FutureLight.

Less suited to

  • Buyers seeking a spray-on treatment rather than a wash-in product.
  • Anyone who needs guaranteed waterproofing results, as customer feedback describes mixed outcomes.
Granger's Clothing Repel GRF91, 1 Litre Wash-In Waterproofer · photo 2
Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 332 ratings
  • 5 stars78%78%
  • 4 stars14%14%
  • 3 stars2%2%
  • 2 stars1%1%
  • 1 star5%5%

Customer feedback highlights perceived cleaning effectiveness, ease of use and value, including a report of good results on GORE-TEX fabric. Waterproofing results are mixed, with some customers reporting no effect. For buyers choosing this as a garment reproofer, that uncertainty matters more than its wash-in format or stated membrane compatibility. The aggregate ratings are mostly five-star, but do not establish how well it will perform on a particular garment.

Positive themes

  • Customers report that the cleaning agent is effective.
  • Feedback describes the product as easy to use and good value.

Mixed feedback

  • Waterproofing results are mixed, with reports that the treatment had no effect.

Frequently asked questions

What is Granger's Clothing Repel used for?

It is a wash-in waterproofing treatment listed for outdoor clothing, fabric and jackets.

Which fabrics does the manufacturer say it suits?

The listing claims it is suitable for breathable waterproof clothing and membranes, including GORE-TEX, eVent and FutureLight.

Is this a bottle or a pouch?

The product title describes a one-litre pouch, but the included-components field says “1 Bottle”. Check the selected listing's packaging details before buying.

Are waterproofing results consistent according to customer feedback?

No. Feedback describes mixed waterproofing results, with some customers reporting no waterproofing effect.

Granger's Clothing Repel GRF91, 1 Litre Wash-In Waterproofer · photo 3
Additional product photo 3

Alternative options

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