Speculum Band
Fit it onto a standing vessel, spillway vessel or alembic: it holds half as much again. What is inside stays.
kinditemcreative tabFluxion
Currents
Alloy15What the Loupe reads: 15 in all. The game works them out from its recipes. Wheel of Currents
In the Codex
Entry 
Bands — A vessel need not be replaced — it can be banded.