A member of Styloplume.net, a forum for enthusiasts of writing inks and fountain pens, decided to test the quality of books and writing with pen and ink on Calepino’s recycled paper. The entirety of this test can be read directly on the forum: Test Calepino fountain pen (In french).

Thanks for his feedback, hoping that there may be others. If you need the translation, let me know.
And you, did you use fountain pen on your Calepino? your feedback?