Just sipping my first Piccadilly - I used Bols grenadine syrup, perhaps slightly too much. Personally I like to get the Absinthe coming through with definition, so wouldn’t dial that back too much. It’s a gorgeous drink whatever the variance, I am sure.
I've just revisited the Piccadilly Martini again, and yet again I've cut the absinthe back. I've also added some sugar. The difference in colour varies between the use of homemade and commercial grenadine and we'll reshoot ASAP. As you say, Richard, given the name perhaps it's the blue curacao rather than the grenadine I should be reaching for.