3 bottles of Redex (Petrol or Derv) for £4 @ B&M
386°Expired

3 bottles of Redex (Petrol or Derv) for £4 @ B&M

14
LocalFound 10th MarEdited by:"NGRhodes"
Available in-store, we worth adding to every tank fill, especially supermarket fuels at this price.
Having had a fully serviced derv suffer from dirty injectors (and had a good chat to the injector specialist), I always use a fuel additive that helps clean if I am not using a top quality fuel (Esso/Shell/BP).

Note this is 2 shots per bottle, 1 shot treating 50 litres.
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14 Comments
Derv?.................lololololololololol
Snake Oil! It would be cheaper to fill up with premium fuel - not that for the likes of us 'peasants' it would make a iota of difference.

Heat for the price
There must be different strengths in it....I have bottles here that do 4 shots and the same size bottles bought more recently that only do 2....I've used it now and again over the past 25 years,all my cars (3 out off 4) would be over the 100,000 miles and so far haven't had any fuel system component problems....not sure if it does much but certainly doesn't do any harm.
Original Poster
tinca1 h, 38 m ago

Snake Oil! It would be cheaper to fill up with premium fuel - not that for …Snake Oil! It would be cheaper to fill up with premium fuel - not that for the likes of us 'peasants' it would make a iota of difference.Heat for the price


For me this works out cheaper to use Redex + supermarket fuel vs premium fuel. YMMV depending on your local fuel prices.
As this is 2 shots per bottle (each shot 50 litres), this is 6 shots for £4, or 67p a shot. My tank takes 50 litres per fill and there is 5p a litre difference between Morrison's and Shell (my 2 closest stations), so thats £2.50 a difference per tank, more than the 67p difference is cost of a shot of Redex.
Thanks OP I use supermarket petrol and twice a year put half a tank of Super in , Simple.
Cheers just bought a couple of packs.
NGRhodes5 h, 5 m ago

For me this works out cheaper to use Redex + supermarket fuel vs premium …For me this works out cheaper to use Redex + supermarket fuel vs premium fuel. YMMV depending on your local fuel prices.As this is 2 shots per bottle (each shot 50 litres), this is 6 shots for £4, or 67p a shot. My tank takes 50 litres per fill and there is 5p a litre difference between Morrison's and Shell (my 2 closest stations), so thats £2.50 a difference per tank, more than the 67p difference is cost of a shot of Redex.


Supermarket fuel has the same additives and is exactly the same as the normal petrol stations. Unless you mean the Super Unleaded its all the same stuff. I used to work in a lab analysing fuel. If Redex was any good it would be in the fuel already as the fuel companies know a lot more about formulation of fuel and additives with their big R&D budgets than some small company that sells snake oil. Look at the MSDS sheet fhr Redex petrol. Guess what its 99% petrol.
33419146-t7C5I.jpgComponents of diesel redex.
Before anyone adds a link, yes we've all seen the Fifth Gear episode from many years ago where the presenter uses the system cleaner in an old VW Corrado

I won't be too critical of the thoroughness of the testing or the quality of the analysis as it is only meant to be journalism - and the story is about restoring performance of an old car, not the effectiveness of products like this. But even so, the presenter is very clear that adding a system cleaner frequently is a waste of time and money.
jameswalker4573 h, 33 m ago

[Image] Components of diesel redex.


exactly, mostly Naphtha a generic term for petroleum distillate. Ie distilled from Crude oil . AKA petrol.
Original Poster
dave_stuf673 h, 5 m ago

exactly, mostly Naphtha a generic term for petroleum distillate. Ie …exactly, mostly Naphtha a generic term for petroleum distillate. Ie distilled from Crude oil . AKA petrol.


If you look at the Redex datasheet you can see this is not Generic Naphtha, but has a specific EC and CAS numbers, which if you look up shows its hydrocarbons have carbon numbers predominantly of C6 to C13.
This is a bit lighter than pump petrol (which is predominantly C4 to C12), is a common carbon deposit cleaner, though if you want something more effective at cleaning you should be looking at something containing Polyether Amine (PEA), which would be good for occasional treats, but Redex is great a regular fuel treat.
Edited by: "NGRhodes" 11th Mar
Buy some Miller's Ecomax and stop wasting your time
pcs70384 h, 59 m ago

adding a system cleaner frequently is a waste of time and money.


yep but sticking it in your old motor 10 days before the MOT (ie emissions) is worth the investment

best 50p you can spend
What about a dose of castor oil.....always cleared my old dad out................
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