Wiser folks than I am will be along, I am sure, but in my experience, there is no way an active alcoholic is going to be able to hear anything you have to say.
I am glad you are here, have you been to al-anon? If your H is still drinking, in my opinion, anything you do for the relationship is a complete waste of time, EXCEPT taking care of YOURSELF.
Please do. And I just hope that putting your feelings on paper helped you in some way.
I went to couples counselling with my exabf when he was drinking (hiding it though, and lying plenty about it.) It was a waste of everyone's time.