CO₂ Bubble Counter Model 300-62 – Thread to Hose Connector for Aquarium CO₂ Systems

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About this product

The CO₂ Bubble Counter Model 300-62 is a compact and reliable thread-to-hose bubble counter designed for accurate CO₂ flow monitoring in planted aquarium systems. This easy-to-install unit screws directly onto compatible CO₂ regulators and connects seamlessly to standard aquarium CO₂ tubing, allowing you to visually count bubbles and fine-tune CO₂ injection with precision. Ideal for hobbyists who prefer a clean, straightforward setup without bulky accessories, this bubble counter combines simplicity, durability, and clear visibility — ensuring your plants receive consistent CO₂ levels for healthy growth. Key Features: Thread-to-hose design – connects regulator directly to tubing for simple installation Accurate CO₂ monitoring – visually track bubble rate per second for precise dosing Durable clear acrylic chamber for easy bubble visibility Leak-proof metal fittings for secure, long-lasting performance Compatible with standard 4/6 mm CO₂ tubing Suitable for pressurised CO₂ systems Compact and lightweight – perfect for small to medium aquarium setups Usage Tips: Fill halfway with water or indicator solution for clear bubble visibility. Install vertically between the regulator and the

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