kathson Large Mineral Airstones Bubble 5.9 Inch Ball Shape Diffuser Air Stone for Aquarium Fish Tank Pump and Hydroponics(2 Pack)

kathson Large Mineral Airstones Bubble 5.9 Inch Ball Shape Diffuser Air Stone for Aquarium Fish Tank Pump and Hydroponics(2 Pack)

HIGH QUALITY MATERIAL: This aquarium air stones made of high quality non-toxic mineral material, which has no effect on the growth fish and hydroponics, but also promotes it. Round surface flat bottom make stone place steady. Low oxygen consumption & fusion rate ADVANTAGE: An ideal way to add oxygen and lower CO₂ levels to your hydroponic, circulation system, fish tank and aquarium，efficient and stable work MULTIFUNCTION: Air stones for aquariums is a great way to properly aerate a home aquarium. It creates lot of tiny oxygen bubbles that bring vitality fish and hydroponic plants, enhance vital system aeration & water movement, versatile air stone for decorative functional PRODUCT PARAMETER: This aquarium air stone fits for 3/16" / 4 mm inner diameter tube. Measures 4" in Diameter by 2.5" Height. Jetting Volume: 20 L/min, Recommended Air Pump Power: >4 W NOTE: Soaking the airstone in water for 3 hours before use. Brush the stone surface every 2 weeks, you will find that he can accompany you for a long time and save a lot of money HIGH QUALITY MATERIAL: This aquarium air stones made of high quality non-toxic mineral material, which has no effect on the growth fish and hydroponics, but also promotes it. Round surface flat bottom make stone place steady. Low oxygen consumption & fusion rate