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テックウォッシュ33.8 FL。オンス

Product ID: 727561655

Details

GTIN (Global Trade Identification Number)
UPC
703861000034
ブランド
メーカー
Nikwax
ユニット数
999.58 ミリリットル
商品の個数
1

💧33.8 FL oz liquid power

🧼Non-detergent, residue-free clean

♻️Biodegradable & eco-friendly

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€ 157.62

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Clean smarter, perform stronger—because your adventure deserves the best.

MACHINE OR SPOT CLEAN - Conveniently use in your washing machine or target tough grease spots for a deep, effective clean every time.
ECO CONSCIOUS CLEANING - Biodegradable formula that cleans without harming the planet—because your gear and the environment both deserve the best.
NO RESIDUE NO COMPROMISE - Non-detergent formula leaves zero residue, preserving breathability and waterproofing for peak performance.
VERSATILE READY FOR ACTION - Perfect for all waterproof-breathable garments and synthetics, from hiking jackets to ski gear—clean smarter, perform better.
EXTEND YOUR GEARS LIFESPAN - Doubles the effectiveness of waterproof treatments, keeping your tech wear fresh and functional season after season.

Nikwax Tech Wash is a 33.8 FL oz biodegradable liquid cleaner designed specifically for waterproof-breathable clothing and synthetic gear. It removes dirt without detergent residue, preserving the garment’s DWR (Durable Water Repellent) finish and doubling the life of waterproof treatments. Ideal for machine or spot cleaning, it’s the eco-friendly choice for maintaining high-performance outdoor apparel.

Specifications

ASIN	B0019GL7ZG
Amazon 売れ筋ランキング	スポーツ＆アウトドア - 899,208位 ( スポーツ＆アウトドアの売れ筋ランキングを見る ) スキー用チューニング工具・キット - 912位スキー・スノーボード用ワックス - 975位
GTIN (Global Trade Identification Number)	00703861000034
UPC	703861000034
おすすめ度	4.7 5つ星のうち4.7 (1,584) var
サイズ	1 litre
パッケージ内に含まれる商品の数	1
ブランド名	ニクワックス(NIKWAX)
メーカー名	Nikwax
メーカー型番	183
ユニット数	999.58 ミリリットル
リキッドコンテンツが含まれています	はい
品番・型番	183
品目の容量	1000 ミリリットル
商品の重量	34 オンス
商品タイプ	液体

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