Drink
Sour, 90 ml
Margarita, 100 ml
Lemonade, 250 ml
Filter coffee, 250 ml
Saline strength
20% (standard)
10% (gentler)
Drops:
3
barely there
usual range
tastes salted
Make your own saline (20%)
Bottle:
50
g in total
Starting ranges are rules of thumb built from the 20% dose of two to four drops for a cocktail, scaled up by volume for long drinks. A drop is taken as about 0.05 ml, and droppers vary. Break the rule whenever your own taste says so.