In today’s video I’m going to use apple juice to force a patina. With any patina solution I like to clean off the steel completely with degreaser. I typically run the metal under water afterwards to make sure there is no left over degreaser. Taping the blade will make it easier to see how well/poorly the patina performs. After all my patinas I put the knife in water for two reasons. I notice that for some patinas it locks it in and on others it doesn’t help much. The water will also slightly neutralize the acidic solution. If you are forcing a patina on a knife, make sure to apply oil immediately after to prevent the steel from being damaged.
Next in the series: Muriatic Acid
Series Description:
For those who don't know, a patina is a form of rust that protects steel from more damaging forms of rust, like pitting. It is good practice to form a small layer of rust on your high carbon steel tools for this reason.
Since there are so many ways to force a patina, this series will show different ways to achieve this and see which is the fastest, most efficient method. I will demonstrate how to force a patina using common household materials. I will show what can replace commonly used acids, such as ferric chloride or muriatic acid, and show what shouldn't even be considered.
A great solution should result in an even, dark patina in a relatively short amount of time (ideally 20 minutes to an hour). I will document the process so that if anyone would like to repeat a method, they can easily refer back to my videos.
So will it rust?
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