About This

• TOPZEA 12 lbs natural black lava gravel feature porous surface, allows water and air running through, solves the drainage problem, prevents house plants rot while maintaining slight moisture and necessary nutrition to supply plant growing
• The size of the fine black lava rocks is about 0.1-0.2 inch, it's between sand and lava rocks, more granular and thicker than sand, blends seamlessly into potting mix, creating air pockets that enhance drainage and prevent compaction. Ideal for gritty mix recipes for succulents and cacti
• Essential additive for custom DIY potting mixes! Perfect for succulents, cactus, bonsai trees, orchids, aroids, etc. Mix it with soil, perlite, or peat moss to create a professional gritty mix that mimics the natural arid habitat of desert and tropical plant
• The black volcanic rocks are very versatile and widely used for landscape decor, DIY craft projects, fish tank, terrarium, bonsai potting, fairy gardening, sensory bin, as vase filler, fire pits bowl, gas Logs, fireplaces, BBQ grills, etc. (Note: Please rinse with clean water before aquarium use to remove transit dust)
• Package includes 12 lbs of premium fine black lava sand (approx. 3-5mm / 1/8"). they won't compact over time, providing the ideal texture for root systems and aquarium setups without blocking water flow, with no artificial dyes or chemicals. pH-neutral and does not decompose, safe for your plants