GHL Doser 2.2 SA – 2-Head Master (Black)

The GHL Doser 2.2 Maxi SA (Stand Alone) is a powerful and flexible dosing solution designed for larger volume applications such as automatic water changes, fluid level control, and bulk dosing. Featuring two ultra-precise 24V stepper motor pumps, it delivers flow rates up to 320 ml/min, while still allowing micro-dosing down to 0.1 mL, offering the best of both worlds—high volume and pinpoint accuracy.

Built with robust German engineering, this unit supports continuous operation, making it ideal for demanding tasks like running reactors or consistent dosing applications.

Key Features:

• ✅ Dual Integrated Pumps – High-flow 24V stepper motors (up to 320 ml/min)

• ✅ Micro-Dosing Capable – As low as 0.1 mL with consistent accuracy

• ✅ Wi-Fi & USB Connectivity – Flexible, reliable remote control and updates

• ✅ Fully Standalone – No external controller required

• ✅ Expandable System – Connect up to 16 pumps using GHL extension units

• ✅ Continuous Operation Ready – Ideal for calcium reactors and other constant-flow needs

• ✅ GHL ProfiLux Aquatic Bus (PAB) – Stable, interference-free communication over long distances (up to 100 meters / 300 feet)

What’s Included:

• 1x GHL Doser 2.2 Maxi SA (2 pumps built-in)

• Integrated controller

• 1x Power supply

• 1x USB cable

• 4x Tube adapters

Specifications:

• Color Options: Black or White

• Dimensions: 8.66″ L x 5.91″ W x 4″ H (without pump heads)

• Flow Rate: Up to 320 ml/min per pump

• Accuracy: Down to 0.1 mL

• Connectivity: Wi-Fi & USB

• Expandability: Supports up to 16 total pumps via extension units

Engineered for precision. Designed for flexibility.
The GHL Doser 2.2 Maxi SA delivers professional-grade performance for reef keepers and aquarists who demand reliable, high-volume dosing with total control.