0-15V will work, 0-18V would be better. Running that many amps in a tank will generate some heat, how are you planning to maintain the tank temp.?
I was lucky enough to start anodizing before Fibergeek passed away and talked to him on the forum quite a bit. His test results are scattered in the forum posts. You can run a search on posts by him to find the info he posted. I don't have a place where all the results are together.
These are his test graphs:
http://forum.caswellplating.com/phot...user/5846/sl/f
SS