Neptune Systems PM3 Dissolved Oxygen Module - Controllers

The Neptune Systems PM3 Dissolved Oxygen Module is a crucial addition to any advanced saltwater aquarium system equipped with the Apex controller. This module continuously monitors and reports dissolved oxygen levels in real-time, ensuring that your reef tank maintains optimal conditions for fish and corals to thrive. It includes extra temperature probe ports (sold separately) and I/O switch inputs for additional functionality like automated top-off systems or leak alarms. The recommended dissolved oxygen level for a healthy reef tank is between 4.5ppm and 7ppm, making this module essential for aquarists using biological nutrient control methods such as biopellets, carbon dosing, or nitrate reactors.

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Neptune Systems PM3 Dissolved Oxygen Module

Controllers

Reference reading: Species guide on Codexery

Species guides on Codexery

Torch coral — Scientific name: Euphyllia glabrescens · Family: Euphylliidae source
Zoanthus sociatus — Scientific name: Zoanthus sociatus · Common name: green sea mat, button polyp source

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