GHL Dosing Container 2100 mL
$62.90High-quality 2.0 L dosing container for liquid additives.
Robust design, clear volume markings, and secure lid with 6 mm tubing fitting – ideal for use with GHL Doser systems.
The Key to Success in Aquariums
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From dedicated aquarists to leading research teams and aquaculture professionals – GHL delivers precision control, dosing, lighting, and monitoring solutions that set the industry benchmark.
Engineered and made in Germany for those who demand reliability, innovation, and long-term performance.
Experience the difference – enjoy your passion.
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Featured Products
GHL Dosing Container 1100 mL
$47.90High-quality 1.0 L dosing container for liquid additives.
Robust design, clear volume markings, and secure lid with 6 mm tubing fitting – ideal for use with GHL Doser systems.
GHL Control Pad IL
$249.90A dedicated 24/7 touchscreen display for your ProfiLux IL.
Provides instant access to key measurements, manual controls, and system actions – no phone or app needed.
Designed for installation inside GHL Industrial Line enclosures.
KHD & GHL Doser 3 EXT Bundle
From: Original price was: $992.80.$913.38Current price is: $913.38.Complete bundle for automated alkalinity (KH) measurement and dosing with a price advantage compared to buying separately.
Not a standalone solution – requires a compatible GHL master device.
KHD & GHL Doser 3 SA Bundle
From: Original price was: $1042.80.$959.38Current price is: $959.38.Complete standalone bundle for automated alkalinity (KH) measurement and dosing with a price advantage compared to buying separately.
No additional controller required.
IOND & GHL Doser 3 EXT Bundle
From: Original price was: $1069.80.$984.22Current price is: $984.22.Complete bundle for automated multi-ion measurement and dosing with a price advantage compared to buying separately.
Not a standalone solution – requires a compatible GHL master device.
IOND & GHL Doser 3 SA Bundle
From: Original price was: $1119.80.$1030.22Current price is: $1030.22.Complete standalone bundle for automated multi-ion measurement and dosing with a price advantage compared to buying separately.
No additional controller required.
ProfiLux 4e Starter-Set 6E & GHL Control Pad Bundle
Original price was: $1049.80.$997.32Current price is: $997.32.Complete ProfiLux 4e control with added convenience: This bundle combines the ProfiLux 4e Starter-Set 6E with the GHL Control Pad, giving you a powerful aquarium controller plus an always-on touchscreen display for quick access to essential functions. Save compared to purchasing individually.
ProfiLux 4 Mega-Set 6E & GHL Control Pad Bundle
Original price was: $1249.80.$1187.32Current price is: $1187.32.Complete ProfiLux 4 control with added convenience: This bundle combines the ProfiLux 4 Mega-Set 6E with the GHL Control Pad, giving you a powerful aquarium controller plus an always-on touchscreen display for quick access to essential functions. Save compared to purchasing individually.
GHL Control Pad
$249.90A dedicated 24/7 touchscreen display for your ProfiLux 4(e).
Provides instant access to key measurements, manual controls, and system actions — no phone or app needed.
Flexible wall or flush-mount installation.
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Dosing Pump Tube
$10.90 Wishlist
ION / KH Director Water Filter
$13.90ION and KH Director filter for filtering the sample water.
KH Director Reagent 1000mL
$39.901000mL bottle of KH Director reagent fluid
Doser 2.1 / 2.2 pumps maintenance set
$19.90Replacement rollers, roller holders, and blue covers for GHL Doser 2.1
Level Sensor Fastener
$9.90PL-LF-S8
Level sensor fastener for level sensor holder base unit
8mm slot, suitable for our Floater, amongst others
Splitter Cable for Level Sensors
$13.90PL-LY
Splitter for 2 level sensors
Mini-DIN, 1 plug, 2 sockets
Level Sensor Holder Base Unit
$25.90PL-LF-Base2
Base unit level sensor holder
Plexiglass stick with magnetic mount
Replacement Tube Nozzle for Dosing Pump
$9.90For GHL Doser 2, 2.1, Dosing Unit
pH Electrode
$79.90pH-electrode, BNC, 3m cable
Calibration Fluid pH7
$12.90PL-CalipH7
Calibration fluid pH7.0
50mL
ION Director Reference Solution
Price range: $19.90 through $32.90Highly precise and stabilized reference solution for ION Director
Level Sensor Fastener, angled
$10.90Level sensor fastener angled for level sensor holder base unit
12mm slot, suitable for our optical level sensor, amongst others
Dosing Pump Head for GHL Doser 2.1 / 2.2
$37.90Pump head for GHL Doser 2.1 and 2.2.
Powerbar 6E-PAB USA/CND
$279.90Digital powerbar for PAB, 6 sockets switchable, switch with integrated fuse.
Leakage Sensor
$39.90Leakage sensor with 80 spring-loaded contacts, incl. 1.5 m cable
Magnetic Stirrer
$54.90For liquid container up to 94 mm diameter incl. stirrer stick and connection cable for GHL Doser 2
Flex-PVC Tube 6/4, 16.4 feet
$13.90Can be used for:
- ION Director tubing
- KH Director Reagent fluid
- General dosing purposes
Calibration Fluid pH4
$12.90PL-CalipH4
Calibration fluid pH4.0
50mL
KH Director Reagent Set
$107.90KH Director Reagent Set: 3 x 1000 ml (3 x 33,814 fl oz) + reagent tube 70 cm, 0.28″
Sensorholder 4
$45.90Holder for 4 sensors, magnetic fixing, max. glass thickness 15 mm
Calibration Fluid pH9
$10.90PL-CalipH9
Calibration fluid pH9,0
50mL
Sensorholder 1
$19.90Holder for 1 sensor, magnetic fixing, max. glass size 12 mm
Silicone Tube 6/4, 16.4 feet
$13.90Can be used for:
- KH Director water sample, waste water and vent line
Calibration Fluid Conductivity 50 mS
$12.90PL-Cali50mS
Calibration fluid conductivity 50mS/cm
50mL
Level Sensor, Floater, Version 2
$43.90Level sensor, Floater
Mini-DIN, 3 m cable
Mitras LX 7206 Marine Water
$799.90Saltwater model, 6 cluster.
Propeller Breeze 3
Price range: $67.92 through $135.92High-performance aquarium fan, silent, ball bearings and brushless motors.
KH Director pH-electrode
$90.90 Wishlist
Conductivity Electrode, Platinum
$169.90Conductivity electrode platinum, BNC, 3m cable, for fresh water + salt water