Ultra-silent 25mm Glass nano air stone Diffuser

Bring clarity and calm to your aquarium with the Castle Dawn Aquatics 25mm Nano Air Stone Disc — a compact, ultra-silent diffuser that produces an elegant cloud of micro-bubbles. Ideal for small aquariums and hydroponic systems, this nano stone not only looks stunning but significantly improves water oxygenation.

Crafted for minimal noise, the micro-bubbles burst quietly at the surface, making it suitable for tanks placed in bedrooms, offices, or living spaces. The included control valve allows for adjustable airflow, so you can fine-tune the bubble density to suit your setup.

Key Features and Important Notes:

• What’s Included:
  1 × 25 mm nano air stone disc
  1 × control valve
  1 × suction cup
  ⚠️ Airline tubing and air pump not included.
• Compact & Quiet:
  Produces ultra-fine bubbles with low noise – perfect for nano tanks and peaceful spaces.
• Efficient Oxygenation:
  Improves oxygen levels, reduces CO₂ buildup, and can help balance pH for healthy aquatic life.
• Adjustable Flow Control:
  Includes a control valve so you can tailor the bubble output to suit your system.
• Secure Mounting:
  Strong suction cup holds the disc firmly in place at the bottom or side of your aquarium.
• Versatile Use:
  Ideal for small aquariums, betta tanks, aquascapes, and hydroponic grow setups.
• Size:
  7.5 × 3.5 × 2.5 cm (H × L × W) – 2.95 × 1.38 × 0.98 inches
• Warranty:
  1‑Year Warranty (T&Cs apply).