Reach Stone
Lay it under a column: distillate flows slower (down to 1 part a second), but the Confluence needs less of it (up to 15% less) and the altar is calmer.
kindblockcreative tabFluxiongroupConfluence
Currents
Lattice9
Tide6
Halo3
Strata1What the Loupe reads: 19 in all. The game works them out from its recipes. Wheel of Currents
In the Codex
Entry 
Rapids and Reach — Stones under the columns change the pace of a Confluence.
Device
Device group: Confluence.
