SubstrateSource Natural Aquarium Stones - Porous Charcoal Volcanic Aquascaping Rocks with Small Holes for Betta Fish Tank, Reptile Enclosure, Cichlids, Shrimp, Hermit Crab - Black Star Lava, 10 LB

About this item

• Color & Tone: Deep charcoal to dark gray hues with a matte volcanic finish that contrasts beautifully against light-colored substrate in aquascapes, terrariums, and planted tank decor.
• Texture & Structure: Smoothly rounded, pebble-like stones with porous surfaces provide the rugged character of natural aquarium rocks while allowing gentle water flow through each piece.
• Versatile Hardscape Material: Works well as a structural rock for aquarium builds, from stacked foundations to riverbed-style groupings. Also suitable for paludariums or reptile enclosures as natural decor.
• Simple Preparation: Rinse thoroughly before placement to remove dust and enhance surface texture. Typically stable in freshwater conditions, though a quick compatibility check is recommended before full use.
• Convenient Pack Options: Available in 5 lb, 10 lb, 20 lb, and 30 lb selections, with stones ranging from small accent pieces to larger rocks for aquarium foundations. Contact our team for sizing assistance if needed.