Originally Posted by kb3lms
But is that swelled gelatin or dry? I am guessing swelled since each formula tells you to swell the gelatin first.
Usually gelatin is weighed in the dry state. 10g of dry gelatin + 90 g of water = 10% w/w solution.
"Swelling" gelatin in cold water allows for a better melt - dry gelatin added to a hot solution can form very stubborn globules.
Light-sensitive Soup : emulsion101.com