Equipment
GHL Profilux 4 Controller Review: The European Alternative to Apex
How the GHL ProfiLux 4 aquarium controller differs from the Neptune Apex.
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The GHL ProfiLux 4 is a German-made aquarium controller and the main European alternative to the Neptune Apex. It is generally regarded as powerful but more complex to set up.
What it is known for
Detailed conditional programming, and GHL’s own range of sensors and dosing pumps.
Where the Apex is usually preferred
A larger user community, a wide range of expansion modules and easier setup for first-time users.