Aquarium CO2 Regulator with Double Gauge & Bubble Counter – W21.8 Valve

Keep your planted aquarium running efficiently with the Castle Dawn Aquatics Double-Meter CO2 Regulator, complete with a magnetic solenoid and integrated bubble counter. The dual gauge display enables you to easily monitor both tank pressure and output pressure at a glance, while the fine-tune needle valve ensures stable and precise CO2 delivery. Built with high-quality, pressure-resistant materials and a leak-proof design, this tank is ideal for serious aquascapers and planted tank enthusiasts.

⚠️ Warning: Cheap CO2 regulators sold on large online marketplaces may not meet safety standards. Poorly manufactured units can pose serious risks.

Key Features and Important Notes:

• What’s Included:
  – 1 × CO2 Regulator (Double Gauge)
  – 1 × Built-in Bubble Counter
  ⚠️ CO2 tubing and canister not included.
• Double Gauge Display:
  View tank pressure and output pressure – instantly detect low gas or unsafe levels.
• Built-in Solenoid Valve:
  A magnetically operated solenoid valve allows automated on/off control when used with a timer.
• Fine Adjustment Needle Valve:
  Precisely control CO2 output for stable and consistent injection.
• High-Quality Construction:
  Crafted from pressure-resistant materials, these regulators have a longer life and superior durability over standard regulators.
• Anti-Backflow Design:
  An acrylic check valve prevents water from flowing back into the regulator system.
• Size:
  Standard W21.8 thread (fits most UK and EU CO2 canisters)
• Warranty:
  1‑Year Warranty (T&Cs apply).