How To: Anodize Aluminum

Science Workshop
How To: Anodize Aluminum

Inspired by a video on Giaco Whatever, Ryan at ShopBuilt has been experimenting with doing his own aluminum anodizing. In this video, he shares what he’s learned so far.

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In the video, he recommends the excellent anodizing educational resources available from electroplating suppliers, Caswell. There is an electroplating rig to build and caustic chemicals to deal with, but in the end, anodizing, electroplating, and etching are easier to do in your home shop than you might think.

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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at

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