Sims will prefer the shower over taking a bath in most cases. The bubble bath will only be chosen autonomously by kids, goofballs, childish an pregnant Sims. The special baths that came with Spa Day are reserved to be autonomously chosen at the relaxation center and will no longer be chosen by your party guests and other visitors.
This is a spice ingredient that can be used in my other food and crafting recipes. Sims can purchase this item via my Brazen Delivery service or they can craft it on my Mill appliance. Each sack can be separated into 8 spice bottles that can be used as an ingredient.