@@ -123,9 +123,9 @@
 		name = fullname;
 		color = v.color;
 		proto = v;
 		kind = 'sorcery:potion';
-		measure = function(amt) return string.format('%s draughts', amt / 3) end;
+		measure = sorcery.liquid.units.draught;
 		containers = {
 			['vessels:glass_bottle'] = 'sorcery:' .. id;
 		};
 	}
@@ -305,8 +305,9 @@
 		name = desc;
 		kind = 'sorcery:extract';
 		proto = v;
 		color = v[2];
+		measure = sorcery.liquid.units.pint;
 		containers = {
 			['vessels:glass_bottle'] = liqid;
 		};
 	}