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GHL DOSER 2.1 – 4 Pumps Slave, Black – Precision Dosing Expansion Module for Advanced Aquarium Systems
The GHL DOSER 2.1 Slave version with 4 pumps, in sleek black finish, is the perfect expansion module for advanced reef and freshwater systems. Designed to operate exclusively with GHL controllers such as Doser 2.1 SA, Maxi Doser, or ProfiLux, this unit enables precise and fully programmable supplement dosing up to 150 times per day per pump.
Each pump can be configured individually to dose between 8 and 45 ml/min with 0.1 ml accuracy. As a Slave version, it is not autonomous and must be connected to a master unit, making it ideal for expanding your existing GHL setup.
The top-mounted GHL LED logo serves as a clear status indicator with color-coded alerts. Its compact design remains identical for the 2, 3, or 4-pump versions.
Key features:
Slave unit with 4 individually programmable dosing pumps
Requires master unit for operation
Compatible with Doser 2.1 SA, Maxi Doser, ProfiLux
Expandable up to 16 pumps
Dimensions: 220 x 150 x 76 mm
Up to 150 doses/day per pump or 8 individual daily doses
Dosing range: 8–45 ml/min, 0.1 ml increments
Color LED indicator: White (setup), Blue (normal), Green (OK), Yellow (low threshold), Red (critical low)
Why choose GHL DOSER 2.1 – 4 Pumps Slave Black: A professional-grade expansion solution for aquarists seeking maximum precision and modularity. Elevate your dosing strategy with German-engineered reliability and control.
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