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Hi,
years ago I did some anodizing of telescope bits. From memory the power source was a battery charger, the current was controlled by a stretched out water heater element and some crocodile clips. Also used battery acid. The wire in anodizing was some aluminum welding wire. Worked fine, I just use some black fabric dye (Rit????) to color the metal in boiling water. Was actually quite fun, and as long as the surface was clean and well polished / sanded (fine wet and dry) it worked a treat....have a go, its easy to do....
cheers
gary
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