Quote:
Originally Posted by Kahuna
Thanks Henry
Also wondering how you know when it's done it's job?
I did notice it said to repeat the process
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I'm assuming that it works like Naval Jelly that I've used for years. You know it's done its job when the rust is gone. Inside the engine? Well, that's why I'm testing it on my water pumps. If the Evapo-rust one is clean in the morning then I'll know it takes 12 hours or less. The instructions on the container say 2-12 hours. After that rinse it off to see if the rust is all gone and if not soak it again.