I'm not sure if making a huge batch was smart, I have been googling and youtubing bath bomb recipes, and it seems like everyone's mostly the same. Some are using the 2 to 1 ratio of baking soda to citric acid, others are using one to one ratio. Most people add some type of oil and others don't add oil at all. Most people are making small batches. Let me ask you; do you think too much oil might be a problem? I did keep adding oil to see if it would clump more together. I'm not sure if this might be the problem because they are not hardening at all. Earlier I used 1 tbsp of oil to each 1 cup citric acid and 2 cups baing soda plus the fragrance oil. One person stated that using Epsom salts will help draw out the moisture as well.
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