2 lbs Crushed Volcanic Pumice for Plants & Aquariums. Transform your gardening and aquarium experience with our Black Lava Rocks. Size: 5-8 mm volcanic rock, crushed from larger volcanic pieces. Black Lava Rocks.
2 lbs Black Lava Rocks, Crushed Volcanic Pumice for Plants & Aquariums
2 lbs Crushed Volcanic Pumice for Plants & Aquariums. Transform your gardening and aquarium experience with our Black Lava Rocks. Size: 5-8 mm volcanic rock, crushed from larger volcanic pieces. Black Lava Rocks.