Our Clinoptilolite Zeolite is mined in the USA, is all natural & organic and 97% pure zeolite. As zeolite is a natural and non-toxic mineral, it provides a safe and effective means to absorb moisture, filter toxins, increase nutrient intake in soil and remove odors. Zeolite is a great soil conditioner for your vegetable garden, container gardening and flower gardens of all types. Zeolite is also a very effective absorbent of ammonia, making it ideal for fish tanks as well as odor control for litter boxes. Zeolite also has the capability to remove oil stains from your driveway! Pretty amazing stuff!