You should add Splenda like you would Lactose: to taste. Measure out a glass of Cider, add sweetener by the level spoonful, stir and taste. Repeat until its as sweet as you want. Then do the math.
the Nurse wants to know
Date Mead, Oatmeal Cookie Braggot, Fox in Sox Gruit
Hard lemonade, Cyser, Golden Plum Mead
Agave Mead, Chocolate/Cinnamon Mead, Heather mead,
Heather Ale, Emerald Honey Kolsch, Hobgoblin clone, Terror of the Ewes Oatmeal Stout,
Kilt liftin' Wee Heavy, Soggy Doggy English Brown Ale, Saaz/Perle Mead, Cinnamon Mead, Shiraz,
Sauvignon Blanc, white merlot, Elderberry Mead, Vanilla Mead