5cm Ball Air Stone With Metal Connector - 5 Pack

The Castle Dawn Aquatics 5 cm Ball Air stone is built for long-lasting, high-efficiency oxygenation in aquariums, deep water culture (DWC) systems, and outdoor fish ponds. Designed with a durable mineral-based body and a metal connector, this airstone outperforms plastic connector alternatives by offering superior strength, leak resistance, and a longer service life.

With a jetting volume of 5 L/min, it produces a rich flow of medium-sized bubbles, increasing oxygen solubility and promoting healthier aquatic environments. It’s well-weighted to stay securely at the bottom of your tank, delivering consistent airflow without drifting.

Key Features and Important Notes:

• What’s Included:
  – 5 × 5 cm (2 inch) ball air stones with metal connectors
  ⚠️ Airline tubing and pump not included.
• Jetting Volume:
  Produces 5 L/min for consistent, effective aeration.
• Air Pump Requirement:
  Best used with pumps rated above 4W for optimal performance.
• Tubing Compatibility:
  Fits standard 0.5 cm (4 mm) and 0.9 cm (8 mm) airline tubing (inner diameter).
• Bubble Quality:
  Emits dense medium-sized bubbles that boost oxygen solubility in tanks and ponds.
• Durable Material:
  Made from high-temperature sintered mineral – safe and long-lasting.
• Strong Metal Connector:
  Metal fittings is more secure and durable than plastic, reducing the risk of leaks or breaks.
• Weight:
  106 g – heavy enough to remain stable on the tank or pond bottom.
• Size:
  5 × 5 × 5 cm (H × L × W) – 1.97 × 1.97 × 1.97 inches
• Use Tip:
  Soak in water for 1 hour before use. Clean gently with a toothbrush to remove clogs.
• Warranty:
  1‑Year Warranty (T&Cs apply).