When shaking is not ideal, like for hot coffee or for nutritional supplements that tend to foam, use a handheld frother/mixer instead. Add the powder to the liquid, submerge the mixer, then turn on for about 10-20 seconds or until powder is completely dissolved.
Most liquids can be prepared up to 24 hours in advance. Store thickened liquids in a clean, sealed container in the refrigerator. Thickened water may be stored at room temperature.
Purathick is freeze-thaw stable, so can be used to make thickened ice cubes or popsicles.