Nikwax Tech Wash 300ml
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Nikwax Tech Wash 300ml


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To keep your favourite Seasalt raincoat in tip-top condition, we suggest you wash it every now and then with Nikwax Tech Wash®. This helps renew your coat’s ability to repel water, and makes sure it stays breathable.

Nikwax Tech Wash® is an easy to use, environmentally friendly wash-in cleaner that’s been specially designed for waterproof clothing. Simply put your raincoat in your washing machine, pop some of this in the detergent drawer, and wash at 30°C.

Unfortunately we are unable to deliver this product internationally.

Every few washes, follow with another cycle using Nikwax TX Direct® Wash to restore the waterproof finish

Customer Reviews
* * * * * Rated 5/5 (29 reviews)

Average customer rating 5 out of 5, based on 29 reviews.

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Great product

I would not use anything else to wash my Seasalt raincoat and jacket.

Posted by  •  17th February 2021

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Nikwax Tec Eadh

Used this to wash and re waterproof two Saltrock coats, I found one bottle was the correct amount to wash two coats, although I did wash them separately. Came out looking fine and smelling good.

Posted by  •  13th June 2020

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Washing waterproof mac

I purchased the two Nik Wax products to wash and waterproof my Seasalt mac.
I used them with some trepidation, but needn't have worried - my mac and machine are still in one piece !
Haven't had chance to try mac in rain yet though.

Posted by  •  9th June 2020

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Not Used Yet - Just received!

As I have only just received this product and have not used it yet, I cannot comment on its performance. However, Sea Salt has been more than accommodating during the covid19 period as I was unable to collect in the given time including an extended period but Sea Salt refunded my items and I was then able to reorder and have it posted to my address. All at my costs obviously but thank you Sea Salt for keeping my items in my selected store for an extended period.

Posted by  •  7th May 2020

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Worth every penny

I bought this with my Coverack coat for future use but decided to try it out on a waterproof jacket which had not been washed for a while! Brought the coat back to life, smelled fresh and is still waterproof.

Posted by  •  21st April 2020

Fit: True to Size 
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Brilliant Product

I used this product after I had washed my Seasalt coat (using TX Direct Wash In.) I have had many walks with my dog in very wet weather and I am delighted to say that my previously leaking coat is now water tight again. Very pleased.

Posted by  •  20th December 2019

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Waterproofing washing liquid

Although my jacket feels like the waterproofing has been topped up, I expected this liquid to also clean my jacket but it failed to remove not a very bad mark. I presume I should have washed it twice. First in washing gel and then secondly in this liquid. I bought both items as I presumed this cleaned and the other did a heavy duty waterproof job, obviously wrong. Bit disappointed ☹️

Posted by  •  30th September 2019


Thanks for your review. Nikwax do produce two products, the TX Direct Wash In is to reproof your coat and the Tech Wash is to provide a normal washing solution.

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Jacket looks like new again
I thought at first it was expensive so put off buying but considering the price of the jacket it just means I’m getting extra wear especially as I used the wax treatment as well

Posted by  •  20th September 2019

Fit: True to Size 
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Works like a dream

Really Impressed, my yellow seasalt coat had gotten very grubby after a whole season of wearing it. As instructed i rubbed some of the solution into the grubby areas, and then washed as instructed.

Worked brilliantly, removed all of the grubbiness and even a biro pen mark ! Smelt kinda of funny when drying quite chemically, but now that it is dry does not have an odour.

Posted by  •  12th September 2019

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My coats look good.

Washed two coats in this solution before re-proofing them. I am very happy with the results and the ease of use.

Posted by  •  29th July 2019

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