Description
❤This air stones made of high quality non-toxic mineral material, which has no effect on the growth of fish and hydroponics, but also promotes it. Round surface and flat bottom make the stone place steady. Low oxygen consumption & high fusion rate. ❤An ideal way to add oxygen and lower CO₂ levels to your hydroponic, circulation system, fish tank and aquarium. Soaking the air stone in water for 3 hours before use. Brush the stone surface every 2 weeks, you will find that he can accompany you for
