Hisin Round Aquarium Air Stone 40×15 mm – Nano Disc Air Bubble Stone Aerator for Fish Tanks, Aquariums & Hydroponics

The Hisin Round Shaped Aquarium Air Stone (40×15 mm) is a compact nano disc aerator designed to efficiently oxygenate aquarium water and enhance overall tank health. By diffusing fine micro air bubbles, this air stone increases dissolved oxygen levels while improving water circulation, creating a cleaner and more balanced aquatic environment.

Crafted from high-quality sintered mineral material and fired at high temperatures, the air stone is durable, long-lasting, and resistant to wear. Its round disc shape with a stable plastic base allows it to sit neatly on the aquarium floor without floating, making it ideal for both small and medium setups.

When connected to a standard aquarium air pump and tubing, the air stone releases a steady stream of tiny bubbles that help reduce carbon dioxide buildup, support fish respiration, and promote beneficial bacterial activity. Its nano bubble output is gentle, making it suitable even for delicate fish species.

This versatile air bubble stone is suitable for freshwater and saltwater aquariums, typically ranging from 2 to 30 gallons, and can also be used in ponds and hydroponic circulation systems. The stone can be cleaned and reused multiple times, ensuring reliable performance over long-term use.

Key Features & Benefits

• Size: 40 × 15 mm round nano disc

• Function: Diffuses fine micro bubbles for efficient aeration

• Improves Tank Health: Boosts oxygen levels and enhances water circulation

• Material: Durable, high-temperature sintered mineral stone

• Design: Circular stone disc with stable plastic base

• Compatibility: Works with standard air pumps and airline tubing

• Applications: Aquariums, fish tanks, ponds, and hydroponic systems

• Tank Type: Safe for both freshwater and saltwater setups

• Maintenance: Easy to clean and reusable for long-term use