The following is the recipe that I have been following. Minus the Citric Acid 1 cup baking soda 1 cup epsom salts 1/4 cup cornstarch Mix those with a wisk. Might be good idea to sift it too. I didn't color mine, but I might color this part, or color the epsom salts. Drizzle and mix well with: 2.5 tablespoons turkey red oil (sulfonated castor oil) 2 tablespoons FO Add: 1/2 cup citric acid 1 cup sodium lauryl sulfoacetate Pack tightly into molds. Unmold carefully and let dry 24 hours. Can use a meatballer, a plastic ornament that comes apart, tea light containers, a metal 1/4 cup measuring cup.... I posted a question concerning my bath bombs expanding like dough and that I live in an area with high humidity. I was told that I could leave out the Citric Acid. I followed the recipe above and omitted the Citric Acid. I added more Baking Soda and used only 1 Tablespoon Turkey Red Oil and 1 Tablespoon of FO. I used the plastic ornaments as a mold. After 24 hours they were still soft and crumbly. I tried a second batch and doubled all of the recipe but leaving the Turkey Oil at 1 Tablespoon and leaving out the Citric Acid. They still will not get hard! I never would have thought bath bombs were so difficul. I am about ready to pull out my hair:p ! Any suggestions?