Pourhaven
Water jug puzzle online
Fill, empty and pour. Leave exactly the target amount in either jug.
Puzzle 1
JUG A
JUG B
Storage error details
Eight measuring challenges
Start with 2 L and 3 L jugs, then work through larger capacities. Every target is reachable. A hint gives one pour, and each puzzle keeps its own history when you move to another challenge.