ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E
ProfiLux 4e Starter-Set 6E

ProfiLux 4e Starter-Set 6E


What’s included:
Aquarium Controller P4e, black, with power supply unit, digital water temperature sensor, pH-electrode with calibration fluids pH 4 and pH 7, Powerbar 6E with PAB cable 2m, USB cable, Null plug

This item ships directly from the manufacturer/supplier.

This Starter-Set 6E, Black, with the ProfiLux 4e Controller is adapted for marine and freshwater aquariums. This set is ideal for measuring and controlling temperature and pH-value/ redox and for creating true-to life illumination effects. ProfiLux 4e can be upgraded with expansion cards. The bus-system (ProfiLux Aquatic Bus) additionally offers great options for further extensions.

Shipment includes:

  • ProfiLux 4e, black
  • Power supply unit
  • Digital water temperature sensor
  • pH-electrode with calibration fluids pH 4 and pH 7
  • Powerbar 6E-PAB with PAB cable 2m
  • USB cable
  • Null plug

Black, White


ProfiLux 4e – True reliability is now more affordable

The “e” in ProfiLux 4e stands for essential. The ProfiLux 4e features the same high degree of quality and reliability as the flagship ProfiLux 4, at a more attractive price.

The ProfiLux 4e was designed for aquarists who may not immediately need all the features of the flagship ProfiLux 4 controller. With more connections right out of the box than any competing controller, the P4e provides aquarium monitoring and control without sacrificing the essentials; built-in temperature and pH/ORP inputs, 1-10V control, level control, Wi-Fi and much more.

Best in value and expansion

ProfiLux 4e includes ports and features used by most hobbyists. No need to go out and buy external modules just to do the basics!

Built-in Level sensor support
Connect float, optical, flow, and leak sensors

Ports for 1-10v devices
Connect 1-10V pumps and devices

Built-in display and touch keys
Check current probe values, change settings, start feed pauses, and more from the on-board display

ProfiLux 4e can grow with your aquatic needs. Additional ports and sensor inputs can be added at anytime with GHL Expansion cards or Expansion box.

The ProfiLux line of controllers are globally recognized for its outstanding accuracy and reliability. From hobbyists to research institutions, they all trust in the ProfiLux to provide them with highly accurate data and performance.

From form to function, the ProfiLux 4e is well-equipped to manage important tasks such as lighting control, water parameter measurement/control, level control, pump control, and much more. The P4e includes integrated modules for measuring Temperature and pH/Redox. Connections for level sensors, leakage sensors, and 1-10V interfaces are also included.
Built-in WiFI and USB connections ensure optimal connectivity to keep you well informed about the status of your aquarium via web interface, e-mail, and myGHL cloud service *)

The controller provides 3 expansion slots on board for Expansion cards with additional sensor inputs1-10V outputsPC interfaces, or Digital inputs. It is further expandable with the Expansion Box 2.

For more information, please visit our:


  • Up to 32 independent channels of dimmable and non-dimmable lamps, freely adjustable
  • Sunrise and sunset
  • True calendar moon phase simulation
  • Cloud simulation with adjustable random generator, cloud cover, rainy days, seasonal lighting, Thunderstorm simulation
  • Acclimation program
  • Feed pause (4 different customizable preferences for pump behavior possible)
  • Measurement and control of Temperature, pH Values, Redox
  • Sequential temperature control for tubular heater, substrate heater and cooling, programmable nightly decrease, speed regulated fans controllable
  • Menu guided sensor calibration
  • Data log
  • Operation hour meter for all sensors
  • Universal analog and digital inputs
  • Level (level, leakage, automatic water change etc.)
  • Flow (stream)
  • Versatile Pump Controlling (up to 16 stream pumps independently controllable, several modes: High/low tide, surge, random and much more; different wave modes)
  • Operation hour meter for lamps
  • Burning-in mode for fluorescent tubes
  • Battery buffered real-time clock (RTC)
  • Digital Mitras Lightbar/Slimline interface or RS232
  • Integrated webserver: Display of values and states, change of important settings, email client, DHCP
  • USB and WiFi
  • Cloud service myGHL®
  • Connection options for GHL Control Pad, Power-Failure-Monitor, AUX
  • Connectivity for radio-controlled clock receiver (DCF)
  • Programmable reminders
  • Control of 64 switchable sockets and dosing pumps
  • 32 timers and dosing programs
  • Child protection via PIN code
  • No coding required
  • Settings are stored during power loss in nonvolatile memory (FRAM)
  • Computer is expandable with 3 add-on modules (2x external, 1x internal), with our Expansion Box 2 added, there are virtually no limits
  • Flexible extensions on the ProfiLux Aquatic Bus (Expansion Box 2 for example)
  • Multiple aquarium controllers can be networked
  • Alarm function, output of the alarm optical, acoustical or via switchable socket
  • Therapy Program for sick fishes
  • Maintenance programs
  • Notifications per email or SMS
  • Operation via convenient PC software (Free of charge)
  • Virus proof
  • GHL-developed operating system for aquatics, ProfiLuxOS

Additional features (with corresponding expansion card):

  • Measurement and control of conductivity
  • Measurement and control of oxygen, humidity and air temperature
  • Use of external signals (such as buttons) to control the ProfiLux
  • Lighting control via DALI


Dimensions W x D x H: 220 x 150 x 55 mm / 8.66″ x 5.91″ x 2.17″
Delivery includes Power supply, water temperature sensor, USB cable, Null plug
Measurement and Control
Water temperature
Redox potential
Conductivity Optional (Expansion Card can be retrofitted)
Oxygen Optional (Expansion Card can be retrofitted)
Relative humidity Optional (Expansion Card can be retrofitted)
Air temperature Optional (Expansion Card can be retrofitted)
Other Sensors In preparation
KH / Alkalinity Optional (with KH Director)
Functions and Features
Lighting control channels 32
1-10 V interfaces 6 (optional 30)
Controllable, separately switchable sockets 64
Expansion slots 3 (2x external access, 1x internal access)
Dosing Pump control
Stream Pump control
Digital light control interface for Mitras Lightbar/Slimline or RS232
USB interface
Digital outputs / switch channels 8 (optional 64)
Inputs level and flow sensors / leakage detectors 4 (optional 16)
Power failure monitor connection
AUX connection
GHL Control Pad connection
DCF receiver connection
Connections for devices with PAB (e.g. Powerbar-PAB, Doser 2…) 2
Expansion Box extension possible
Alarm √, visually and acoustically
Graphical display
Integrated webserver and email client
Cloud service myGHL
Operating system ProfiLuxOS

Getting started: P4 Resource Guide

ProfiLux 4 Resource Guide: Your step-by-step setup guide!

The ProfiLux 4 Resource Guide is your go-to guide for learning the ins and outs of the P4 controller. This guide takes the most commonly used capabilities of the controller and breaks it down into an easy to follow guide, loaded with illustrations to help you along the way.

New to the Profilux 4 controller?
Using the easy to follow TO-DO steps in this guide, you can be up and running with your controller in no time!

In this resource guide, you will find instructions for:

  • First time P4 setup
  • Wi-Fi setup
  • Basic temperature control
  • Lighting control
  • Pump control
  • ATO / AWC control
  • Leakage detection
  • And so much more

Resource guide also includes:

  • Direct links to our HOW-TO videos
  • Shortcuts for accessing functions right from the P4 touch keys

This guide is available for download here:

P4 Resource Guide for GHL Control Center and GHL Connect app
ProfiLux 4/4e Resource Guide – GHL (International) (

GCC, GHL Connect App, Cloud Service

GCC, GHL Connect App, Cloud Service myGHL

GHL Devices are easily accessible via the free PC software GCC GHL Connect app and cloud service myGHL. (> learn more).


GHL provides a 24-month limited warranty against all processing and material defects. Warranty period begins at the date of purchase.


Do you have questions or need technical support?

We’re here to help. First begin by following a few tips:

You have questions about the operation or for system setup?

  • A good start is visiting our Knowledge Base and our FAQs.
  • Download our manuals and tutorials. In most cases, the answers to your questions are answered in there. You´ll find them listed in our download center.
  • Check out our extensive videos.

Still have questions?

  • Take advantage of our extensive GHL support forum. Here, you will find topics and questions that have already been answered by our support team and/or customers. Tips and suggestions can also be found here. If this does not helpthen please ask your question there. You will have direct contact with the GHL team and to many users, who can quickly help you.

Do you have a complaint or a defective product?

  • Your first contact should always be the dealer from whom you purchased the products.
  • In case you bought directly from GHL please contact us directly via our ticket system.

Not found what your are looking for?

Why Buy From ReefBum?

Number one, I have been a hobbyist for over 25 years who wrote a book on reef keeping best practices……so I can leverage this wisdom to provide expert advise on equipment purchases.

Secondly, I am the sole proprietor and employee of this company who can be contacted any day of the week to answer your questions about equipment sold on Therefore, you will always deal with the same person who actually uses the equipment you buy. And if I don’t have an immediate answer I can reach out to the manufacturer to get an answer….I have direct communication pipelines with all of them.

Yes, I am a “mom & pop” shop that will not always beat pricing from the “big box” online reef stores. But think of me as your personal reef tank concierge who is always on call to help figure out a problem or just chat about reef tanks. Now that’s priceless!

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