I was using dunlop addy last week,doing 2 lovely white marble shower enclosures in a house i was tiling complete.I even made two lovely corner shelves,rounded them and set them into the shower cornersx2 !!
anyway need more addy so went down,my helper was off this day,i mixed it and brought it up! stuck trowel in and thought it a bit loose,lovely it was GROUT i had mixed! lol. very similar bag to the addy.