How does this compare to their "wash-in" version? I assume it would be more economical since it's not being diluted by a bunch of water?

Actually just the opposite... the Spray-On variety is simply a watered down version of the Wash-in, which means you are paying for a diluted product. I have had great results making my own Spray-in solution by using 1/3 Wash-in product and 2/3 water in my own spray bottle.

Can you spray it on a dry garment?

Spraying this on a dry (oops!) 100% polyester coat resulted in terrible spotting stains. Any ideas how to remove the stains? I've tried baking soda, vinegar, stain remover, etc. and the coat has been washed over three times. If anything, the spots look worse. I've ruined a brand new coat by forgetting to apply it to WET fabrics!

if you run out of the small spray bottle and wanted to refill, can the wash in work or should just buy a new bottle and spayer?

In a pinch, the wash in could work to refill the spray bottle but the sprayis a different formulation designed to work better as a spray.

Can this work on a polyester shower curtain ? If so, would it have to be applied often?

Used it on my London Fog raincoat (polyester). Not a petro-solvent vehicle; water soluble. So, no problem. Has a chemical smell for a few days as it dries and sets. Goes away in about 4 days. No discoloration.

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Nikwax TX.Direct Spray-On Waterproofing, 500ml, High Performance Waterproofing Renewal Treatment Restores DWR Water Repellency in Jackets, Outerwear, Rain, Ski and Snow Gear

Nikwax TX.Direct Spray-On Waterproofing, 500ml, High Performance Waterproofing Renewal Treatment Restores DWR Water Repellency in Jackets, Outerwear, Rain, Ski and Snow Gear

Product ID: 1407538

Details

Brand
Nikwax
Item Weight
16 ounces
Item dimensions L x W x H
2.25 x 2.25 x
Material
Plastic
Style
500 ml

🌿PFAS-free, water-based, eco-friendly

💧500ml high-performance spray

🧥Restores DWR on jackets & technical gear

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Description

💦 Stay dry, look sharp—renew your gear’s edge with every spray!

SPRAY ON SIMPLICITY - Effortlessly renew your gear’s water repellency with a quick spray application.
ECO CONSCIOUS FORMULA - PFAS-free, non-flammable, and water-based—protect your gear and the planet.
TRUSTED BY TOP BRANDS - Compatible with Gore-Tex, Patagonia, North Face, Columbia, and more for premium care.
BREATHE EASY STAY DRY - Revitalizes breathability so you stay warm and comfortable in any weather.
LONG LASTING PERFORMANCE - Durable waterproofing that keeps your rain and ski jackets ready for every adventure.

Nikwax TX.Direct Spray-On Waterproofing is a 500ml high-performance treatment designed to restore durable water repellency (DWR) and breathability to waterproof jackets and technical outerwear. Compatible with premium brands like Gore-Tex and Patagonia, this eco-friendly, PFAS-free spray revitalizes your gear’s water resistance without compromising comfort. Easy to apply and aerosol-free, it ensures your rain and ski apparel stays warmer, drier, and adventure-ready season after season.

Specifications

ASIN	B0019GLADA
Brand Name	Nikwax
Color	No Color
Compatible Material	Gore-tex, Waterproof Fabrics, Technical Clothing, Gore-tex, Patagonia, North Face, Columbia, Outdoor Research, Cotopaxi, Arc'teryx
Customer Reviews	4.4 4.4 out of 5 stars (7,097)
Global Trade Identification Number	00703861000249
Item Dimensions	2.25 x 2.25 x 7 inches
Item Form	Spray
Item Type Name	Apparel Aftercare
Item Weight	16 ounces
Manufacturer	Nikwax
Material Type	Plastic
Model	572
Number of Items	1
Part Number	572
Style Name	500 ml
Surface Recommendation	Gore-Tex
UPC	703861000249 703861001352 703861000232
Unit Count	16.9 Fluid Ounces
Water Resistance Level	Waterproof

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€ 58.06

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In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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