Add clay powder to water for its purification properties (whenever visiting Mexico, bring a jar of clay and add a pinch or two to every glass of water).
Brush your teeth with clay and cleanse mouth ulcers.
Add clay powder to your dog's or cat's water bowl.
Clay can be added to aquariums to control the growth of algae.
Clay minerals provide an excellent source of nutrients for plants and also adsorb many free mineral ions in the soil. Add to the soil freely.
Clay helps to control insects (diatomaceous earth). Add to soil.
Use clay to remove mildew from bathroom tiles.