Quick Answer: Achieve the mesmerizing 'walking in a galaxy' effect with 1lb per 16 sq ft of 'high density dispersed coverage'. Comprehensive Answer: For a more detailed response and guidance on installations over existing landscapes, refer to our dedicated 'Coverage' page. In general, we suggest using 1lb per 16 sq ft to create the captivating 'walking in a galaxy' effect. This quantity ensures a lush 'high density dispersed coverage'. Feel free to adjust these measurements according to your coverage preferences and budget considerations. If your goal is complete coverage, remember that It Glows Premium Grade Marble can cover 0.5 sq ft/lb. Unlock the potential of luminescence throughout your outdoor spaces!