How long does No rinse sanitiser remain effective for after mixing? Samantha February 10, 2026 00:23 Updated For around 5-6 hours.We would, however, recommend using it within 5 hours, ideally sooner. Related articles Do beer and cider have a shelf life? Is Hard Seltzer right for me? Instructions - Craft Series Cider Pouch What is the unique pouch technology used in Mangrove Jack's kits? Is it normal for my Hard Seltzer to have an eggy/sulphur smell?