NUPICK 6lb Black Lava Rocks for Plants, 3/8" Succulent Potting Soil Amendments, Decorative Lava Rocks for Fire Pit, Volcanic Gravel for Aquarium, Natural Pebbles Pumice for Cactus, Vase, Top Dressing

Natural Volcanic Rock: Horticultural black lava rock feature a deep, uniform color for elegant gardening. Sized at 3/8" (6-9mm), they darken when used in water. Long-lasting, non-staining and non-fading, maintaining enduring beauty at home

Unique Porous Texture: Commonly used as a top layer for succulents and cacti, these succulent potting mix black lava rocks, with their porous surface and lightweight form, provide a clean, decorative layer that complements the minimalist aesthetic of modern indoor plant styling

Durable for Outdoor Landscaping: These black rocks maintain their color through sun and rain. They are a popular choice for creating enduring garden features and as a material for pathway surfaces

Perfect for Aquariums: Create a stunning, natural-looking habitat. These inert, aquarium-safe crushed lava rocks are ideal for freshwater setups. Their porous surface promotes beneficial bacteria growth, aiding in natural biological filtration for a cleaner, healthier environment for fish and plants

Widely Used: Our black lava rocks are versatile for terrariums, standalone decorative beds, or as vase filler. Suitable for fire pits, succulents, cacti, bonsai, aquariums, and various DIY projects