Stable water values made easy. Dose trace elements, fertilizers, salts, or water – accurate to the milliliter.
Quick Setup, Flexible Control
Set daily amounts, choose dose frequency, or use timer-based dosing. Each pump runs independently.
Durable by Design
High-quality materials ensure a long service life. Due to the maintenance friendly design wear parts can easily be replaced.
Many Versions – One Proven System
- Stand Alone (SA): With integrated controller, plus inputs for level and temperature sensors
- Extension (EXT): Connects to a ProfiLux or Stand Alone unit
Both versions support level control and ATO functionality when sensors are used.
- For small and large dosing amounts
- As standard or Industrial Line version
Made in Germany
Developed, tested, and manufactured in-house for lasting quality – right down to the smallest detail.
Why GHL Doser is the smart choice
Control & Automation
- Milliliter-precise dosing of fertilizers, trace elements, balling salts, lime water, liquid feed
- Supports ATO (evaporation refill) and small-volume water changes
- Up to 150 doses per day with adjustable intervals
- Each pump individually configurable
- Manual operation of each pump via front panel
High-Performance Hardware
- Durable 24 V stepper motors for accurate micro-dosing (from 0.1 mL)
- Stainless steel motor shafts – also suitable for iodine dosing
- Chemical-resistant Norprene® tubing
- Level indicator and sensor support
Modular & Serviceable
- Expandable to 16 (SA) or 32 pumps (with ProfiLux)
- Easily replaceable parts: tube, pump head, motor
- Available as Stand Alone or Extension model
Connected. Integrated. In Control.
Smart Connectivity
- Wi-Fi, LAN (model dependent), and USB onboard
- Seamless integration with the GHL ecosystem
- Compatible with GHL Doser, ProfiLux, Powerbars, Expansion Boxes with PAB
Reliable System Communication
- Interference-free networking via professional-grade CAN Bus
- Alarm function for added safety
- Status LEDs for system and pump monitoring
Flexible Operation
- Easy control via GHL Connect app, web interface, and myGHL cloud
- Optional setup and configuration via GHL Control Center (PC software)
GHL Doser and Accessories at a Glance
GHL Doser 2.2 Maxi
The GHL Doser 2.2 Maxi is engineered for precision dosing and efficient water management, ideal for aquariums and research facilities. It features 24V stepper motors for accurate dosing down to 0.1 mL and supports up to 320 mL/min flow rates. Operable via the GHL Connect app, it offers WiFi and USB connectivity, enabling seamless integration and control.
GHL Doser 2.2
The GHL Doser 2.2 is a precision dosing system designed for aquariums, offering up to 150 micro doses per day with 24V stepper motors. Users can manage operations via the GHL Connect app, accessible through WiFi or USB, and the myGHL cloud platform. It supports automatic water changes, alarm notifications, and expandable dosing capabilities.
Doser Accessories
GHL Advanced Technology offers a comprehensive range of accessories for their Doser product group, designed to enhance the reliability and functionality of dosing systems. The offerings include high-quality spare parts, upgrade options, and components such as tubing, pump heads, expansion modules, and brackets. These accessories ensure long-term durability and precision, supporting both maintenance and system expansion needs.
GHL Doser 3
The GHL Doser 3 is an advanced dosing system designed for precision and reliability in aquarium management. It features PrecisionDrive technology, 24V stepper motors, and planetary gears for ultra-precise dosing. The device offers multiple connectivity options, including WiFi, LAN and USB, it also supports OTA firmware updates. It is scalable, allowing control of multiple pumps, and integrates seamlessly with GHL’s ecosystem.
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Last updated on: May 5, 2025