A little dubious of if it would work, but it did, got rid of a 3yr old black oil stain, with one application, would recommend as it worked for me, the stain was black, the size of a crisp box, 1/4 of the bottle, 20 mins after jet washed, stain has gone, not even a shadow of it left, like I say, it worked for me, and I did everything the bottle said to do, which was, splash, scrub and jet wash, very simple.
Verified purchase: Yes | Condition: New
Applied to my concrete driveway as instructed and the fresh car oil stain is less obvious but still visible. Maybe 3 or 4 applications are needed which would make the solution to the problem very expensive. Sorry guys but not great.
Verified purchase: Yes | Condition: New
received the Gunk today ,we used it neat on a large stain (big) left as stated washed off & I am really surprised at the outcome I have just ordered again ,I tried swaffega & other materials guaranteed to remove with no effect this Gunk is brilliant I only wished I had taken photos before & after unbelievable results 7011philipj
Verified purchase: Yes | Condition: New
It does work eventually depending on the stain type just persevere
Verified purchase: Yes | Condition: New
Sorry but i thought it was the same GUNK my mother inlaw used to buy years ago her son my husband used to buy it for washing engines and it had a very strong disinfectant smell which i thought this was same but sadly not the same.
Verified purchase: Yes | Condition: New
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