Automatic alkalinity testing made possible by the KH Director. This set is perfect for those who already own a GHL Doser (2.x) Standalone or ProfiLux 4 controller and wish to add automatic KH testing and fine-tuned control to their system. If you do not own a GHL Doser SA or ProfiLux 4 controller, we recommend the KHD Standalone Set instead.
Automatic alkalinity testing made possible by the KH Director. This set is perfect for those who want to test and control their Alkalinity without needing an entire controller system. Better yet, users can enjoy the convenience of expanding their dosing system by adding additional dosing units (EXT) and ION Director! If you already own a GHL Doser SA or ProfiLux 4 controller, we recommend the KHD EXT Set instead.
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