Hello @meilo1995, I think that's an interesting point about the dark roast for iced coffee. I tend to have my coffee hot, and if cold, I always go for a Frappuccino; However, I think I would agree about the dark roast for a plain iced coffee, and then adjust it how I like.
It's winter for me now, but I'll bookmark this post as a reminder for summertime.
Thanks for stopping by☕️
Have a nice day