Weight: 0 lb.
Estimated Value (Sane Cost Guide): 5 gp
DMG Value: 50 gp - 100 gp
This spongy, flavorless, gelatinous bead dissolves in liquid, transforming up to a pint of the liquid into fresh, cold drinking water. The head has no effect on magical liquids or harmful substances such as poison.
Source: Xanathar's Guide to Everything p136