The manufacturer has a specific authorisation for selling 6% acetic acid as a weedkiller in Belgium and is selling that specific bottle under that authorisation.
Other 6% bottles are available in other jurisdictions 
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Looks like a P2 dust mask not acid vapours?
P2 is dust, A1 is vapour. Not sure it’s necessarily suitable for acid vapour, although it did work very well. I used it originally for spray paint.
Edit: Just looked it up. A is for organic vapours. E is for acid vapours.
Yep I have just ordered 5 this morning 
Carrefour sells 8% as white vinegar, about €0.3 / litre
I used to buy 5ltr for a couple of euros, never worked very well on ivy though
It’s one scenario where I would expect some surfactant (ie. washing up liquid) to help.
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Ah… does that mean that the manufacturer can sell it to MarketOnWeb.fr who are not going to use it outside of Belgium and then MarketOnWeb.fr can sell it to someone in France with impunity ???
Probably not but I won’t tell if they don’t.
That’s exactly what I did. I used savon noir as it doesn’t foam like washing up liquid.
Be interested to hear the results
I have exactly the same problem with a bed of irises completely overtaken by grasses. It’s a narrow border between the ‘lawn’ and a slightly raised terrace. I’m planning on digging it up and turning the border into a raised bed that’s level with the terrace and replanting the irises in that. Can’t think of any other way of keeping the grass edges under control.
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If you look at the details below the photos, you can see that it is acetic acid SANS glyphosate! This is Roundup’s new product for gardeners, which can be bought on Amazon France. I doubt it’s any better than vinegar though.
yes Sue… I know what it contains… I was pointing out (and laughing silently) that the “Product Info” proudly proclaims that the product being offered for sale… is forbidden to be used outside of Belgium’s Borders!!
Because it is just that, vinegar but more concentrated 
Not even that, ordinary vinegar is 5-8%; Stella’s “Roundup” is 6%.
Pret à l’emploi, as they say
That’s most probably because water has got into the paraffin, often from condensation. I use an very traditional Red Sheen flame gun and if paraffin is contaminated the flame goes out in a shower of steam.
No steam.
I think it probably gets into a cycle where the part of the coil is a bit too cool with a hotter part “behind” (i.e closer to the tank) - then, instead of the coil containing vapour it contains part liquid with vapour trapped behind it - the vapour then expands pushing the liquid out. As that empties the coil it fills up and starts the same cycle again.
…hmm wrote a reply but self deleted 
…o well will reply later
Actually we have found that scuffing our feet backwards and forwards on the gravel works quite well!
(Tip for those of you who have gravel and no faithful old retainers to weed it)
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