Neptune Apex A3 Aquarium Controller Timers & Meters Use the metal blade only

Use the metal blade only on glass aquariums and avoid using it on acrylic

The 2 Litre size is practical for larger planted aquariums

Place where gentle water movement can show the plant's grass-like texture without uprooting it

LED status indicator provides quick module status visibility

A scientifically formulated

Neptune Apex A3 Aquarium Controller Timers & Meters Use the metal blade onlyNeptune Apex A3 Aquarium Controller The Neptune Apex A3 Aquarium Controller is a premium aquarium monitoring and control system built for reef, saltwater, and advanced freshwater aquariums where stability, automation, alerts, and equipment oversight matter. Apex A3 Control for Serious Aquarium Stability The Apex A3 sits in the middle of Neptune's A3 lineup, giving aquarists a strong balance of real time monitoring and active equipment control. It