Neptune Systems Apex A3 - Jr Freshwater Feeding Tools their temperature adapts to the

their temperature adapts to the ambient water

install the doser using the included suction cups

menadione (Vitamin K3)

entry level monitoring-only solution that keeps tabs on only your most essential tank needs

enabling hobbyists to purchase one controller for 2 devices and save significantly

Neptune Systems Apex A3 - Jr Freshwater Feeding Tools their temperature adapts to theMonitoring for all, control ready. The Neptune Systems Apex A3 Jr. is the first monitoring only solution that monitors exactly what you need; and, when ready, opens the door to control for all aquarists. A3 Apex Jr base unit 2 FMM Ports 2 Aquabus Ports 1 pH probe port 1 Temperature probe port WiFi compatible only (no Ethernet port) New built in audible alarm Expandable Track temperature and pH with included lab grade, double junction probes Monitor