The Aqua Pro CO₂ Dual Gauge Regulator with Solenoid is a premium solution for controlling CO₂ supply in planted aquariums. It ensures precise and stable CO₂ delivery, promoting healthy plant growth and maintaining optimal water conditions. Equipped with dual gauges, it allows accurate monitoring of both cylinder pressure and working pressure. The built-in solenoid valve enables automatic CO₂ control by connecting to a timer, allowing CO₂ supply to turn on/off according to your lighting schedule. Designed for reliability and ease of use, this regulator is ideal for both hobbyists and professional aquascapers. Key Features Dual gauges for cylinder & output pressure monitoring Built-in solenoid valve for automatic CO₂ control Precise fine adjustment knob for accurate flow regulation Compatible with timers for automated operation ⏱️ Durable metal construction with leak-resistant design Ensures stable and efficient CO₂ supply 🌿 Easy installation and user-friendly setup Product Details Brand: Aqua Pro Product Name: CO₂ Dual Gauge Regulator with Solenoid Type: CO₂ Regulator Gauges: Dual (Cylinder + Working Pressure) Feature: Integrated Solenoid Valve Usage: Aquarium CO₂ systems Applications Planted aquariums Aquascaping setups CO₂ injection systems High-tech planted tanks Recommended For Medium to high-tech planted tanks CO₂ systems with day/night automation Hobbyists and professional aquascapers