2 pointsI've read that you should boil some water in it before using the first time to create a coating, but I just did a quick search and couldn't find a reference for that. One thing that you should be aware of is that you shouldn't use oxygen based cleaners or sanitizers (Oxiclean, One Step, etc) on aluminum pots.
1 pointhttp://beersmith.com/blog/2010/08/17/aluminum-vs-stainless-best-beer-brewing-pots/ https://www.google.com/amp/s/beerandbrewing.com/amp/off-flavor-of-the-week-metallic
1 pointThat was what I used for my brew kettle for over a year. No issues with any of the beers.