Composition: Thoughtfully selected assortment of sustainably sourced small branches, roots, and bark. Realism: Imitates the natural buildup of wood in riverbeds and forest floors. Benefits: Elevates aesthetics while offering essential benefits for wildlife. Durability: Durable and waterlogged, remains intact without decomposing for years. Versatility: Ideal for use in aquariums, paludariums, and terrariums. Material: Organic wood elements (including small branches, roots, and bark) Color: Varied shades of dark brown, reddish, and more Size: Ranging from 1cm – 10cm. Mixable: Can be mixed with other substrates for enhanced realism Water Hardness: Neutral, does not alter water hardness, but the release of tannins may drop pH in the first days of use. Packaging: Offered in 150g bags containing an assortment of small sizes.