Natural Petrified Wood Aquarium Stone for Fish Tanks, Aquascape, Terrariums, Mixed Lot of Small and Large Size Rocks - by SubstateSource (20 Pounds) - SubstrateSource

• Petrified Wood is great for a number of aquatic and desert looks for your aquarium, paludarium, reptile habitat, or anything else where a natural rock appearance is desired. This stone is the fossilized remains of buried trees after millions of years of petrification, producing a beautiful stone with vibrant colors. Vary in size from 1-5” - This is a heavy small stone and each piece is generally larger than 2 inches in size. 20 pounds is roughly 10-14 stones that are about 2-5 inches, making it great for a medium or large size tank depending on your desired look. May become dusty during shipment and must be rinsed thoroughly before use.