123hotchef
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- 13,945
- Location
- Kent
Same here, kero (home heating oil) gives a lovely finish with alu, although it stinks if it smokes. Recently started using veg (cooking) oil for general steel drilling and cutting. I found a couple of bottles which were well past their BBD and decided to give it a try - works well for me!
I use veg oil mixed with water and washing up liquid