The clear coat should be allowed to dry for at least 8-24 hours. Your item is ready to use when the clear coat no longer feels tacky and has enough time to fully cure. After hydro-dipping and letting your product dry, you should apply some sort of clear protective finish to your product. Hydro diving is popular with several names such as water transfer printing, diving printing, and hydro imaging.
When using hydrographics for hydro-dipping, it is important to note that you need to spray on some activator to thin out the paint and prepare it for dipping.