I did a YouTube video three years ago about watercolor papers. At that time I hadn't discovered Indigo Artpapers. The video talks about what to look for and what to expect from the paper. Click on the video below, My Favorite Watercolor Papers.
Please Note: I no longer recommend watercolor blocks.
To view the video on your smart phone turn horizontal.
Indigo HANDMADE ARTPAPERS
Fabriano watercolor paper