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You can connect an ORP or a pH probe to the Probe Port but
) Marine Alkalinity reagent
and specific gravity (salinity) are detrimental and prevents a long healthy life
Each of the individually controlled outlets is built into the HYDROS controller for the highest level of security
) Marine pH reagent
HYDROS Magnet Mount Temperature Sensor Gobies You can connect an ORPHYDROS Temperature Sensor Sense Port Accessory The HYDROS Temperature Sensor is an easy and affordable way to prevent your aquarium water from becoming too cold or too hot. It monitors the water temperature in your aquarium so you can keep it within the safe zone for fish, coral, and inverts. The sensor plugs into any Sense Port on a HYDROS device (like the Control 2, Control XS or Control 4) and does not require any additional power source. The way
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