GHL Doser 3 Maxi – SA & EXT

The GHL Doser 3 Maxi is GHL's powerful dosing pump, designed for applications where accuracy, reliability, and high flow rates are essential. Perfect for use in...

The GHL Doser 3 Maxi is GHL's powerful dosing pump, designed for applications where accuracy, reliability, and high flow rates are essential. Perfect for use in both marine and freshwater aquariums, this pump is ideal for automatic water changes, dosing larger volumes of liquids, or controlling calcium reactors and other systems.

Two variants – same top performance

• GHL Doser 3 Maxi SA (Stand-Alone)
• The SA version works completely independently, with built-in WiFi, USB connection and direct control via the GHL Connect App or
• PC software. You don't need an extra controller—everything is easily controlled via smartphone, tablet, or computer.
• GHL Doser 3 Maxi EXT (Extension)

The EXT version is designed to expand an existing GHL Doser 3 SA or a GHL Profilux controller. This allows you to easily expand your system with additional pumps without duplicate electronics or connectivity.

Key Features

• Highly precise stepper motors for consistent and quiet dosing
• High flow capacity – ideal for water changes and large volumes
• Durable materials resistant to salt water and chemicals
• Full integration with GHL Profilux controllers and GHL Cloud
• Automatic calibration and intelligent dry-run protection
• User-friendly interface via GHL Connect (iOS, Android & web)

Applications

• Automatic water changes
• Adding supplements in large systems
• Inspection of lime reactors
• Dosage management in aquaculture or laboratories

Why choose the GHL Doser 3 Maxi?

The Doser 3 Maxi combines precision, power, and reliability in a single, compact housing. Thanks to its modular design and flexible control, the system grows with you – from a single aquarium to a complete installation.