What is the difference between the Standalone and Slave doser?

  • GHL Standalone doser: Comes with built-in Wi-Fi for access via GHL Connect app, myGHL cloud, and GHL Control Center. Can be used as a standalone device; no controller required to operate.
  • GHL Slave doser: Requires a GHL Standalone doser, ProfiLux 3, or ProfiLux 4 to operate.
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