- 1). Place aspirin tablets on the scale. Add tablets until you have 10 grams of aspirin. Depending on the size of your tablet, this amount will be between 2 and 4 tablets. Use pure aspirin. Do not use the buffered tablets.
- 2). Crush the tablets between two spoons until the material is a fine powder.
- 3). Measure 500 ml of the de-ionized water and pour it into the plastic container.
- 4). Pour the powdered aspirin into the container with the water. Put the lid on the container. Gently shake the container to dissolve the powder.
- 5). Open the container and pour the sand into the acid mixture. Observe the sand for 24 hours. The sand will dissolve, adding the composite minerals to the water and neutralizing the acid.
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