Fine bubble: Compared with ordinary bubble stone, creating more fine bubbles, makes the dissolved oxygen amount larger Widely applicable: Suitable for hydroponic systems, aquarium fish tanks, preventing ponds freezing in winter, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth Air Stone Dimension: 2 \"D; Connector Diameter: 3/16\"/ or 3/8\"; Recommended air pump power: > 4 W Quality material: Made of mineral material and sintered at a high temperature; Stable and durable, long lasting use ; to your fish Note: You have to soak it in water for about 30 minutes before connecting to an air pump to run it; Clean it after a period time of use
| Color | As Pic |
| SKU | sr251029126169968811 |
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