Most of this solution or water will drain from parts naturally within 30 minutes of their removal from the tank. However, in some cases, geometry will trap some liquid inside. Later, this liquid will slowly leach out. To avoid this, Stratasys recommends using a vacuum and/or oven to completely remove any liquid from your FDM parts. The best method is to use the vacuum first, followed by the oven. Either method can be effective individually if you increase the amount of time the part is in the oven or the number vacuum cycles applied to the part.
For some applications, it is critical that even solid parts have all of the moisture
removed after being in the support removal tank. In these situations, use the
steps in the oven-drying section of this document.
Rinse: It’s critical to rinse parts well after removing them from the support
removal tank to ensure no residual support removal solution remains on the
surface. Place each part under a stream of hot running water and use a sponge,
brush or your hand to physically scrub the part while rinsing. (It may also be
necessary to rinse parts again after the initial drain, vacuum chamber and oven.)
Drain: Once each part has been rinsed well, allow most of the liquid to drain away
by gravity. For larger parts, this may take up to 30 minutes. Quickly rinse parts
again under hot water to remove any remaining residue.
For more information, download the full best practices document here.