Aquarium CO2 Regulator Bubble Counter & Needle Valve

Achieve crystal-clear, thriving planted tanks with precise CO2 control. This Aquarium CO2 Regulator Bubble Counter with Needle Valve lets you fine-tune the exact amount of carbon dioxide delivered to your aquarium — giving your aquatic plants the boost they need to grow lush and vibrant. Available in single and double head configurations across 4 color options, it fits seamlessly into virtually any CO2 injection system setup.

Key Features

Precise Needle Valve Control: Dial in your CO2 bubble rate with smooth, accurate adjustments for stable, consistent delivery to your planted tank.
Built-in Bubble Counter: Visually monitor CO2 flow rate at a glance — no guesswork, just reliable readings every time.
Durable Alloy Construction: Crafted from lightweight aluminum alloy and stainless steel components for long-lasting, corrosion-resistant performance even in humid aquarium environments.
Single & Double Head Options: Choose single head for one tank or double head to split CO2 flow across two separate aquariums simultaneously.
Ergonomic & Lightweight: Comfortable to handle and easy to install — fits standard CO2 tubing and cylinder connections.
4 Color Options: Select the finish that best complements your aquarium setup and aesthetic.
Universal Compatibility: Designed to work with most standard aquarium CO2 systems and accessories.

Product Specifications

Material: Aluminum Alloy & Stainless Steel
Configuration: Single Head / Double Head (select your option)
Colors Available: 4 options (as pictured)
Weight: Lightweight for easy handling and mounting
Compatible with: Standard aquarium CO2 tubing and cylinder setups

Perfect For

Planted freshwater aquariums requiring consistent CO2 injection
Aquascape enthusiasts wanting precise control over plant growth
Aquarium hobbyists upgrading or replacing existing CO2 system components
Multi-tank setups (double head version)

Frequently Asked Questions

Q: What does the Aquarium CO2 Regulator Bubble Counter Needle Valve do?

A: This CO2 regulator with built-in bubble counter and needle valve precisely controls the flow of carbon dioxide into your aquarium. The needle valve allows you to fine-tune the bubble rate for optimal CO2 delivery to your aquatic plants, while the bubble counter lets you visually confirm the flow rate at any time.

Q: What is the Aquarium CO2 Regulator made of?

A: It is constructed from durable aluminum alloy and stainless steel, making it lightweight, corrosion-resistant, and built to withstand the humid conditions typical of aquarium environments — ensuring reliable performance over time.

Q: What is the difference between the single head and double head versions?

A: The single head version is designed to supply CO2 to one aquarium tank. The double head version features two output ports, allowing you to split and distribute CO2 flow across two separate tanks simultaneously — ideal for hobbyists managing multiple planted aquariums.

Q: Is this CO2 needle valve compatible with my existing CO2 system?

A: This regulator and needle valve assembly is designed to be compatible with most standard aquarium CO2 systems and tubing. We recommend checking your existing CO2 cylinder and tubing connector sizes before purchasing to ensure a proper fit.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.