Neptune Systems PM3 Dissolved Oxygen Module

Lets say your Apex system detects low dissolved oxygen in your aquarium, you could have pumps on standby waiting to be activated when levels hit below optimal as well as send you an email or text message Add the Dissolved Oxygen Module: PM3 to your Apex Neptune System to allow continuous real time monitoring of your reef tanks dissolved oxygen levels. Real-time monitoring of dissolved oxygen in reef aquarium Module has extra Temp Probe port (sold separately) I/O Switch Inputs for ATO, feed buttons, leak alarms, etc.   Recommended DO level for reef tanks is between 4.5ppm - 7ppm   With so many additives that are hitting the market today, that focus on biological nutrient removal can easily and rapidly take up the dissolved oxygen in the tank leaving it very hard or nearly impossible for your fish and corals to breathe. If you employ any bacterial nutrient control system like biopellets, carbon dosing, or nitrate reactors it is a wise investment to purchase the PM3 and dissolved oxygen