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GHL DOSER 2.1 – 4 Pumps Slave, White – Expansion Module for Precise Automatic Dosing in Advanced Aquariums
The GHL DOSER 2.1 Slave with 4 pumps, white finish, is the ideal expansion module for advanced aquarium dosing systems. Designed to operate with GHL control units such as the Doser 2.1 SA, Maxi Doser, or ProfiLux controller, it enables precise, automated dosing of up to 150 applications per pump per day.
Each pump can be individually programmed to deliver between 8 and 45 ml/min with 0.1 ml precision, offering maximum flexibility for supplementing, fertilization, or treatment. The Slave version operates exclusively when connected to a master unit, making it perfect for expanding existing setups.
The LED-illuminated GHL logo serves as a real-time status indicator, while the compact body remains uniform in size across all pump configurations (2, 3, or 4 pumps).
Key features:
Slave version with 4 independently controlled pumps
Requires a master unit (not included)
Compatible with GHL systems (Doser 2.1 SA, Maxi Doser, ProfiLux)
Expandable up to 16 pumps
Dimensions: 220 x 150 x 76 mm
Up to 150 doses per pump/day or 8 individual daily doses
Dosing rate: 8–45 ml/min, 0.1 ml accuracy
LED indicators: White (setup), Blue (normal), Green (OK), Yellow (low level), Red (critical low)
Why choose GHL DOSER 2.1 – 4 Pumps Slave White: Perfect for expanding dosing capacity with maximum accuracy and style, ideal for demanding reef or freshwater aquarists seeking advanced system integration.
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