a dark pool

The water is dark, not only from the stone in which it is set, but also from the minerals of the mountains that have seeped into it.

If you could only pick it up...

You identify a dark pool.
It is a drink container.
It contains water, contaminated with level zero null that would last for zero hours.
It weighs seventy-eight stone and ten pounds, and it is worth about one gold and ten silver.
Its keywords are pool, dark, and water.