1 pound of baking soda. Mix the dry ingredients together with a spoon or your hands. How To Make Bath Bombs A Diy Recipe Diy Bath Products Bath Bombs Diy Bath Bombs Diy Recipes 1 cup baking soda 1/2 cup. Natural bath bomb recipe without citric acid . There are a lot of recipes out on the internet if you want to make a homemade one. Well, i’m here to tell you it is not and explain some alternatives. The water hitting the bottom of the shower should be bouncing up to hit the steamer, but the steamer should not be submerged. Diy bath bombs without citric acid in a large mixing bowl, add the baking soda, buttermilk and cornstarch. 3 tbsp apple cider vinegar; Once they're done, they're yours to use! It quickly dissolves in water and produces fizzy bubbles. Once they seem pretty dried out and solid, remove the bath bombs from the mold and let them sit overnight to finish drying out. The bath bomb should be dried for several hours before storing or using oatmeal...