Unfortunately, this deal has expired 20 June 2023.
Prestone PSCW0039A Screen Wash for Cars, Concentrate makes up to 50 Litres of Screenwash, protects to -18C, 2.5L, Yellow £4.50 @ Amazon
Prestone PSCW0039A Screen Wash for Cars, Concentrate makes up to 50 Litres of Screenwash, protects to -18C, 2.5L, Yellow £4.50 @ Amazon
Prestone PSCW0039A Screen Wash for Cars, Concentrate makes up to 50 Litres of Screenwash, protects to -18C, 2.5L, Yellow £4.50 @ Amazon
Prestone PSCW0039A Screen Wash for Cars, Concentrate makes up to 50 Litres of Screenwash, protects to -18C, 2.5L, Yellow £4.50 @ Amazon
Prestone PSCW0039A Screen Wash for Cars, Concentrate makes up to 50 Litres of Screenwash, protects to -18C, 2.5L, Yellow £4.50 @ Amazon
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Posted 13 June 2023

Prestone PSCW0039A Screen Wash for Cars, Concentrate makes up to 50 Litres of Screenwash, protects to -18C, 2.5L, Yellow £4.50 @ Amazon

£4.50
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Xxavier's avatar
Xxavier
2.5L
Edited by a community support team member, 14 June 2023
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63 Comments

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  1. RCAnderson's avatar
    RCAnderson
    Think you've got some prices wrong here. Tesco is £4.50, same as amazon, and wilko is showing £5.50

    Edit: Tesco are now showing clubcard price at £3 (edited)
  2. Mooney70's avatar
    Mooney70
    It will make up to 40 litres of summer screenwash 100ml will make 2 litres and you will get 20 lots from the 2 litre bottle. Been using this stuff for years diluted as instructed it does the job fine. It's just the winter mix that you have to tinker with. It does say use it neat. But the temperatures might not get that cold in some areas of the UK. It used to be up to -24 on the bottle until around 3 years ago. So you'll save £15.50 compared to buying 8x 5 litre pre mixed bottles at £2.50 each. (edited)
    EndemicAlarm's avatar
    EndemicAlarm
    Right, the cheaper ones may be a false economy. I'll quote a review for Tesco's own brand screenwash on their website.

    The bottle shows a badge saying -10c and in big letters says CONCENTRATED. Well it is both but it's also neither at the same time. If you dilute it 1 to 4 as it suggests then it's only good down to -2c. To get -10c you need to use it neat [undiluted].

    -2 is a joke for UK winters, so it won't go as far as you think and may be more expensive than you think.

    £3 at Tesco is a steal, cheaper than their own stuff, and their deionized water is cheap to go with it so I'd just go there if you can. (edited)
  3. DeanoNI's avatar
    DeanoNI
    £3 in Tesco from tomorrow if you don’t need it today.
  4. stickyapple's avatar
    stickyapple
    Would it be a bad idea to use this stuff with tap (hard) water?
    RoadManz's avatar
    RoadManz
    I’ve always used this with tap water (10+ years) and it’s been fine
  5. layzee's avatar
    layzee
    Cold - always this price and it is £3 on offer at Tesco
    mark9915's avatar
    mark9915
    40 mile round trip to Tesco for some of us so I’ll take it for the sake of £1.50
  6. Rimi's avatar
    Rimi
    Not a chance you can make 50l for proper cleaning results even in summertime. Tried it few years ago, but did not like its cleaning power, smearing windscreen with brand new wiper blades fitted and smell is horrible, even when sprayed driving at 60mph. Only using Sonax Extreme Clear View, best of the best. 250ml makes 25l of screen wash and at winter months just add some 99% isopropyl alcohol-works a treat.
    Jibz685's avatar
    Jibz685
    How much ipa do you put in to the mix?
  7. penthaus's avatar
    penthaus
    No chance 50 litres. More like 15-20 effectively
  8. Wadadli_Cooler's avatar
    Wadadli_Cooler
    This is good stuff, but it smells like cat pee.
    Sho99's avatar
    Sho99
    Defo agree.. the smell everytime I use the washer.. 🐈 👃
  9. johnnystorm's avatar
    johnnystorm
    Great timing, down to my last little bit from the last deal.
    irradiated's avatar
    irradiated
    what ratio did you use for spring/summer/autumn 1:10 or more? i understand its a lot less in - C temps though
  10. Saurabh_Prabhu's avatar
    Saurabh_Prabhu
    Will be available for £3 from 15th June for Tesco clubcard holders at Tescos
  11. LEMON's avatar
    LEMON
    Why would it be a bad idea?
    stickyapple's avatar
    stickyapple
    The tap water in my area is very hard - I'm thinking specifically about the hard water - could it cause long term limescale damage to the reservoir or would it not really have any noticeable difference to using bottled/softened water
  12. Gollywood's avatar
    Gollywood
    50370668-s6O5T.jpg
    That's concentrate or diluted? (edited)
    Wadadli_Cooler's avatar
    Wadadli_Cooler
    Diluted
  13. zearthlink's avatar
    zearthlink
    £4.27 with S&S
  14. mark9915's avatar
    mark9915
    Cheers OP as I’m out and this is my preferred screenwash
  15. MOJOoo7's avatar
    MOJOoo7
    Got 3x when it was on offer at Tesco a couple of months ago @ £3.
    DayDreamer121's avatar
    DayDreamer121
    It’s £3 currently at Tesco
  16. iGlad's avatar
    iGlad
    Poundland sell a similar screen-wash for £3. (edited)
    hotrol's avatar
    hotrol
    What do you mean by similar? Does it have the same ingredients?
  17. siddny's avatar
    siddny
    Whats the difference between this and PRESTONE PSCW0028A apart from ones 2.5l and the other is 5l
    Mooney70's avatar
    Mooney70
    Well this one is only 2 litres not 2.5 litres. But without checking apart from the size. The larger one will most likely be pre mixed or have a much lower working temperature?
  18. cheapasch1ps's avatar
    cheapasch1ps
    Why faff about with diluting and buckets when you can buy a supermarket brand 5l bottle and just pour it in. 
    mark9915's avatar
    mark9915
    A 2 litre jug of water after you’ve added the concentrate is a lot easier than trying to balance a 5 litre ‘bottle’ to avoid the contents ending up on the floor. It’s also a lot easier to store than a 5 litre bottle
  19. Chewkungfu's avatar
    Chewkungfu
    I've used this it's fine, doesn't clog. So same stuff they use at my local garage. I paid over £7 last time, heat for this.
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