Would this work well to remove the smell of forest fire smoke from synthetic sleeping bags?

Yes. I used it for my coat and sleeping bag after working a backcountry trail crew all summer. Removed the stains and most of the smells. I used a little bit of white vinegar for the rest.

How long does the product itself last? Is it shelf stable for a few years? Or does it degrade and not clean well after being opened for a year?

it is shelf stable for a year . I have used it after its been open for a while and it cleans just as well.

Does this product contain UV brightners?

Definitely NOT! There is a potential for problems if you wear clothes impregnated with optical brighteners in natural sunlight. You should definitely avoid UV brighteners. NikWax is the best product that you can use for your outdoor wear. It will keep your active wear looking and performing like new. No, I don't work for NikWax:} I'm a skier with a lot of pants and jackets. Kjus, a manufacturer of luxury ski wear, actually recommends NikWax on their site for care. I've been using NikWax products for years and it has kept everything perfect and won't strip the clothing of its protective coating. I use more than just the Techwash too. I use their down wash product and also some of their leather waterproofing and cleaning products on my gloves and footwear.

Would this be a good choice for getting the smell of forest fire smoke out of synthetic sleeping bags?

I thank it will work. Used it to clean motorcycle riding gear and it gave good results.

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Nikwax Tech Wash Technical Cleaner, 34 fl. oz.

Nikwax Tech Wash Technical Cleaner, 34 fl. oz.

Product ID: 4990728

Details

Brand
Nikwax
Item Form
Liquid
Material Feature
Scent
Unscented
Specific Uses For Product
Cleaner for

🌿PFAS-free & eco-friendly

💧Restores water repellency

🧼Gentle yet effective cleaning

MX$1944

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

💦 Elevate your outdoor style—clean smarter, perform better!

ECO CONSCIOUS CLEANING POWER - PFAS-free, water-based formula with no optical brighteners or added scents—safe for you and the planet.
TRUSTED BY TOP OUTDOOR BRANDS - Recommended for GORE-TEX, Patagonia, North Face, Arc'teryx, and more—because your gear deserves the best.
EFFORTLESS WASH IN APPLICATION - Just one cap per wash restores performance, making technical care simple and effective.
GOODBYE RESIDUE HELLO BREATHABILITY - Removes water-attracting residues that household detergents leave behind, reviving fabric performance.
PRESERVES YOUR GEARS WATERPROOF EDGE - Cleans without damaging DWR, keeping your outerwear ready for any adventure.

Nikwax Tech Wash is a 34 fl. oz. liquid cleaner designed specifically for technical synthetic outerwear. It safely cleans without harming durable water repellent (DWR) coatings, removes residues that reduce breathability, and is PFAS-free and eco-friendly. Ideal for high-performance gear from brands like GORE-TEX and Patagonia, it restores water repellency and fabric breathability with a simple wash-in formula.

Specifications

ASIN	B0019GL7ZG
Best Sellers Rank	#42,068 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #26 in Shoe Cleaners
Brand	Nikwax
Brand Name	Nikwax
Cleaning Agent Formulation	Detergent
Customer Reviews	4.6 out of 5 stars 5,654 Reviews
Global Trade Identification Number	00703861000034
Item Form	Liquid
Item Highlight	Why We Like The Tech Wash
Item Volume	1000 ml
Item Weight	2.1 pounds
Manufacturer	nikwax
Material Feature	Non-Persistent
Material Features	Non-Persistent
Material Type Free	PFAS-Free
Model Number	183
Number of Items	1
Part Number	183
Product Benefits	Effective cleaning, fabric care, stain/odor removal
Recommended Uses For Product	Travel
Scent	Unscented
Size	34 Fl Oz (Pack of 1)
Special Features	PFAS-Free
Special Ingredients	PFAS-free, water based, non-persistent, contains no optical brighteners or added scent
Specific Uses For Product	Cleaner for technical apparel and gear
Surface Recommendation	Synthetic
UPC	703861000034
Unit Count	34 Fluid Ounces

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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MX$1944

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mexico.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews