Mix water and essential oils together in a separate bowl, then pour into the dry mixture. Stir until well combined.
Place a dollop of the mixture into a silicone mold (any shape you like as long as it will fit in your dishwasher detergent compartment) and press it firmly into the mold, making sure it fills the entire space. Scrape away any excess with the side of a spoon.
Let your DIY dishwasher tablets set overnight or up to 24 hours to dry. Once they are completely dry, pop them out of the silicone mold and them store in a glass storage container like a mason jar.
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