Quote Originally Posted by John S View Post
Yes it works but it's slow.

It's only Alum so if you have any kicking about use that, you don't actually say what material , this only works with non ferrous.

Heath food shops sell Alum, it's a spice.

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Alum = Aluminium Potassium Sulphate which he also sells @ 6.95 instead of 7.99 for 500g. I am working in Aluminium...

I'm going to redo the part, but I'll get some of this stuff and try it...