VIVOSUN Air Stone Disc 4 x 4 Inch with Shell and Sucker for Aquarium, Fish Tank and Hydroponics Air Pump
Fine Bubbles: The air stone disc produces lots of dense fine bubbles; A great way to oxygenate your hydroponic growing systems, ponds, aquariums and enliven the aquatic life
Size: 4" - 4" D x 0.8" H; Recommended air pump power: 4 - 16 W; Standard ID airline tubing: 0.16" / 4 mm; 3 strong suction cups easily fix it in the smooth aquarium
Durable Material: Made of mineral material and sintered at a high temperature; The material is sturdy and durable which is safe to your fish
ExtenEasy to Use: Soak the stone completely in water for 2 hour before use; Clean it regularly with a brush as they get clogged after weeks or months of usaged the life of your nutrient solution, help keep fish / roots healthy, and promote plant growth
Widely Applicable: Fit for hydroponic systems, ponds, aquariums or fish tanks and other systems
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