Can I remove the Hydration shortcut and replace it with a BP shortcut? I have never used or entered hydration data but track my Blood Pressure daily…
Can I remove the Hydration shortcut and replace it with a BP shortcut? I have never used or entered hydration data but track my Blood Pressure daily…
Ah, OK, I misread your original post - for some reason I saw "I do not have the Index BPM". 
Well, it is a bit paradoxical that you need the device for being able to enter the BP manually. It…
A solution might be borrowing the Index BPM from someone, or doing a test purchase, adding it to GC and then returning - you'd keep the possibility to enter the BP manually
Just change the country to USA in your Garmin Profile at https://www.garmin.com/account/profile/ - it works fine, tested.
You can add or delete BP readings manually. I assume I can do this because I do have the Index BPM as a Garmin device in GC.
No luck involved, just buy the Index BPM.
Ah, OK, I misread your original post - for some reason I saw "I do not have the Index BPM". Well, it is a bit paradoxical that you need the device for being able to enter the BP manually. It does not make much sense. But then, it is not unusual with GC. And in fact my original advice telling that for the BP you need the Index BPM device, or replicating its FIT files, stil stands.