Weekday Wonderings: Am I using liquid or powdered sodium lactate?

In this post, Iron Chemist: Sodium lactate, Raffella asks: I bought sodium lactate in powder form. When you say to use 2% in your recipes, can I just weigh out the powder or are you talking about liquid sodium lactate? If so, how do I reconstitute the powder? In my recipes, I’m generally talking about the liquid, which is…