Premium Natural Black Gravel Sand for Aquarium Decoration
Crafted from high-density volcanic rock, this natural black gravel sand offers a sleek, polished finish for a refined aquatic aesthetic. Each piece is meticulously tumbled to ensure smooth edges, protecting delicate fish and plant roots. Ideal for freshwater and marine tanks, it promotes beneficial bacteria growth while maintaining stable pH levels. The ultra-fine grain size (2-3mm) allows effortless planting and complements modern aquascapes or Zen-inspired terrariums. Non-toxic and chemical-free, this gravel resists fading and clouding, ensuring long-lasting vibrancy. Perfect for creating depth in nano tanks or highlighting bold hardscape layouts. Sold in bulk at unbeatable wholesale rates—transform any aquarium into a stunning underwater sanctuary with premium quality at the lowest global price.