Still on my first pack since buying a SPB couple months ago so don't know the difference between bleached/unbleached. Can't say I've noticed anything negative about the unbleached ones. Reading about it now though the bleached ones should produce a clearer taste. Which of course is going to ruin the rest of the coffee in the carafe for me now.
A lot of decaf is roasted pretty dark because it’s very vinegary at light levels, certainly Swiss Water process decaf anyway, so you’re in luck given that slightly unappealing brief. It still probably won’t taste as roasty as Starbucks though.
Still on my first pack since buying a SPB couple months ago so don't know the difference between bleached/unbleached. Can't say I've noticed anything negative about the unbleached ones. Reading about it now though the bleached ones should produce a clearer taste. Which of course is going to ruin the rest of the coffee in the carafe for me now.