Replacing my GHL ION Director Sensor: Calcium, Magnesium, Potassium, Sodium, Nitrate AUTO TESTING!

In this video, I document the replacement process of the sensor on my GHL ION Director, an automatic water tester for Calcium, Magnesium, Potassium, Sodium and Nitrate!
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Monitored, controlled and illuminated by GHL products.
Fish and coral foods and supplements by Fauna Marin products.
Brands mentioned:
GHL (ION Director): www.aquariumco...
Controller: GHL ProfiLux 4
Dosing: GHL Doser 2.1
Auto testing: KH Director / ION Director
AWC: Doser 2.2 Maxi
Lighting: GHL Mitras LX7206
Ozone: Avast Ozone Reactor / Ozotech Ozone Generator
Foods: PE Mysis, FM Multi-Mix
Supplements: FM Balling Light, Elementals
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