Itoyx 8 Pcs 2 In Air Stone Set, Blue Ball Pond Stones Diffuser, Quartz Sand for 360 Oxygen Dissolving, Fish Tank, Aquaculture, and Transportation

Oxygen Diffusion Design: Made with a fine quartz sand structure; designed to release air into water; helps support oxygen distribution in aquariums; suitable for general aeration use 360° Aeration Design: Featuring a spherical form; designed to diffuse air outward from multiple directions; helps support broader water movement; suitable for general aeration in tanks or ponds Stable Placement Design: Designed for placement at the bottom of ponds or tanks; helps maintain position during use; supports orderly equipment arrangement; suitable for routine aeration setups Versatile Applications: Perfect for various scenarios; boost oxygen in fish tanks, promote plant growth in hydroponics, enhance aquaculture yields, and prolong live fish survival during transport; a truly multi-functional tool Cost-Effective 8-Piece Set: Each air stone measures 2 in / 5 cm in diameter; get eight pieces per package; enjoy exceptional value and convenience; ideal for replacements, spares, or multiple tanks