The Aquapro CO2 Bubble Counter is an essential aquarium hardware tool crafted from durable aluminum alloy. It is designed to accurately monitor the injection rate of carbon dioxide in a planted tank. Additionally, it provides clear visual tracking of gas flow and features a built-in check valve to stop water backflow and protect your regulator.

Key Models & Variations:

• Threaded (Single Head): Directly attaches to your CO₂ regulator trimmer or solenoid valve.
• Inline (Double Head): Features dual 4mm/6mm push-fittings for flexible placement anywhere along your airline tubing.
• Smart/Water Injection Version: Includes a specialized one-way water filling module and a syringe, allowing you to refill fluid without disassembling the device.

Feature Overview

• Premium Materials: Built with aluminum alloy covers and bases to resist structural cracking, aging, and leaks.
• Standard Hose Fit: Designed to securely grip standard 4mm internal / 6mm external diameter CO₂ pressure tubing.
• Easy Refill Pack: The upgraded “Smart” configuration typically ships with a custom refilling syringe included in the package.