Aquarium Rock ~ Deep Ocean Hydrothermal Vents Aquascape ~ DIY Red Lava Natural #XRP3 Aquapscape a beautiful Deep Ocean Hydrothermal Vents Aquascape with these DIY unique lava rocks Many Crevasses for plants to attach to allows a more natural environment Naturally textured rock adds depth and design to any aquascape Safe for all aquarium habitats Sizes shown in photos. Aquascapes approximately a 15-25 gallon focal point area!