I used this product in my rusty motorcycle petrol tank. I tried the competitions product, Metal Rescue, which worked ok, I also tried white vinegar which is good at clearing rust but the rust returned quite quickly on the surface. The Evapo-rust was the best at removing the rust and leaving the surface clean and rust-free. I've since used it on a rusty engineers square which had been sitting in water unbeknown to me and was a mess. I left it overnight in the EvapoRust and in the morning it looked like a new square! Amazing stuff!
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This stuff really works well even on hard tool steel. You may have to leave the parts in for 1 or 2 days to get the best results but it cleaned up some very rusty collets and brought them back to life.
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Worked well over night and was able to put the fluid back in the bottle for re use.
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I bought a rusty machine which had been in a barn for years. After soaking the small parts in evapo-Rust overnight all the rust was removed.
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Firstly I let some rusty parts soak in a little bit of it and was not very convinced it would work that well, as it did not seem to do much to them. HOWEVER when I put into the engine cooling system and ran for a couple of days under the heat and pressure, the results were incredible. The inside of the pipe work and the engine block galleries looks like it has been sandblasted clean and there is no rust to be seen whatsoever! Also the car runs a LOT cooler now, and seems to run nicer. Even the overflow of coolant around the radiator cap has cleaned all the rust marks away on the outside it looks brand new! Highly recommend for an older car when performing a cooling system flush!
Verified purchase: Yes | Condition: New
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