Coverage Rate for Ultra Grade Glow Stones

1/2" (10-15mm): Approx. 16sf/lb. (1.49m2) - A stone every 3-4 inches (9cm)
1/4" (4-8mm): Approx. 28sf/lb. (2.5m2) - A stone every 3-4 inches (9cm)
1/8" (2-4mm): Approx. 36sf/lb. (13.35m2) - A stone every 3-4 inches (9cm)