Fruity/sour when cold
When it was hot, at least it didn't have an unpleasant taste and it was drinkable.
Warm/hot tasted like dyed water. I.e. absence of any taste.
Recipe
Preparation method: V60
Coffee (g): I tried more recipes, reference 6g/100ml, less, more
Water (g):
Water temperature: ~95
Grinder (settings):
Process: