Ceramsite ball paving stone pottery carbon ball 500g/piece

▸ Material composition: ceramic carbon sphere mixed mineral matrix
▸ Particle specification: 3-5mm diameter spherical
▸ Functional characteristics: negative ion release | Breathable structure
▸ Applicable scene: Succulent plant pavement | Hydroponic cultivation substrate
▸ Packing: 500g/bag quantitative encapsulation