🌟 Dive into a world of beauty with STAX! Lightweight and porous, making it simple to create your dream setup. Crafted from 100% natural limestone, promoting sustainability. Elevate your aquatic landscape with stunning layered aquascapes. Be part of the growing community of aquascaping enthusiasts. Perfect for both marine and freshwater environments. Flat, porous design 100% natural material Sustainably sourced STAX by 5 lb is a premium flat, porous oolitic limestone designed for creating stunning layered aquascapes in both marine and freshwater aquariums. Made from 100% natural and sustainably collected materials, it offers an eco-friendly solution for aquarium enthusiasts looking to enhance their aquatic environments.