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which allows you to connect a float switch (included in the box) to the controller
or other controllers
Comes in black or silver
Two optical water-level sensors (one for water level and one for emergency back up)
Problems with hair algae or slow coral growth can be by the release of phosphates by impure activated carbons with high POI levels - sometimes as high as 14
Reef Octopus Titanium Ground Probe GFO & Phosphate Removal which allows you to connectOur ground probe gives you a firm electrical ground for your aquatic system. When properly installed, stray voltage" which is generated by pumps, heater, lights and other electrical devices used by aquariums will be carried away.