You will spend a lot of time, which is money, and may never equal the dedicated research that chemical companies have done to save possibly a dollar a day for an average size anodizer. I would stick to a company that Aluminum is their main business. The first two that come to my ...
Probert's book is a good introduction to the art and science. There are companies which serve the hobbyist market, and who can probably be found by googling terms like "hobby anodizing". Please try to understand chemical safety, including the need for goggles, gloves, and ventilation; and a...
Anodizing racks are available in many, many, different configurations, both in Ti and Al. The larger rack making companies will also custom design something for you, if necessary, after discussing with your customer on where marks would be acceptable. It's a resource you should consider using....