I will try to ship at least Monday, Wednesday, and Friday. I work full time so please expect a 1-2 day delay before it is shipped.<br> <b>Seeding cultures:</b> Packed with sphagnum peat moss and can be readily mixed into your substrate if desired<br><br> <b>Using Your Seeding Culture<br> Immediately upon delivery open container briefly to replenish oxygen levels</b> (activity should resume to normal after this)<br> Option 1: Mix entire or part of container into your tank substrate. Done.<br> Option 2: Fill culture with water, Springtails will float: scope out or suck up however many you desire.<br> Option 3: Transfer to breeding container for infinite Springtails!