(20 lbs) Dragon Stone has a unique appearance with its jagged edges, sharp lines, and natural grey color that gives an appealing and distinctive look to your aquarium. Range from 2 to 12 Inches, 100% natural stone. The stone's rough texture provides a good surface area for beneficial bacteria to grow, which helps to maintain a healthy and balanced aquarium ecosystem. Neutral pH: Dragon Stone has a neutral pH level, which means it won't significantly affect the water chemistry in your aquarium Dragon Stone is a relatively hard stone, which makes it ideal for building stable aquascapes that will not easily shift or move around, Ideal for planted tank, great for anchoring plants and mosses Non-toxic: Dragon Stone is safe to use in aquariums and is non-toxic to fish, shrimp, and other aquatic animals. Size 20 LBS Brand Name Aqualexs Item Weight 20 pounds Manufacturer Aqualexs Target Audience Keyword fish Item Package Dimensions L x W x H 12 x 12 x 6 inches