Anodising in the home workshop.


Active Member
I love polished aluminium. But sometimes a polished finish isn't appropriate either because you can't easily access the part, because you want it coloured or a host of other reasons.

I recently made a cable splitter,, but because it's mounted under the tank it's difficult to get to to polish. So, Ii decided to anodise it. Anodising is not difficult, there are a plethora of websites explaining the process, so you can either buy a kit or do as I did and set up your own. I already had some parts, a heavy duty plastic bucket, a battery charger/power supply unit and some aluminium for the cathode. All I had to buy was some acid, some demineralised water and some acetone.

Once I'd put it all together, I assembled the splitter and blocked the cable holes because I didn't want the bore anodised. I thoroughly cleaned the part with soap and water and acetone, diluted the acid, connected the power supply, immersed the part in the bath and switched on. This is the result.


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Tank and a few other bits done in acrylic lacquer. Haven't bothered to polish year as no doubt I will get chipped and scratched before it's finished and I'll have to paint it again.


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Nice work! I bought all of the stuff to anodize and just haven't had the time to play with it.
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