Neptune Systems - Apex System A3 Terrestrial World Up to 145 Total Tests

Up to 145 Total Tests – High-capacity kit ideal for long-term use in established reef aquariums

making it accessible to intermediate aquarists aiming for a colourful aquascape

it spreads slowly via runners

Aquariums with axolotls: add the dose slowly over 5 days to avoid stress

Neptune Systems - Apex System A3 Terrestrial World Up to 145 Total TestsThe Neptune Systems Apex System A3 is a premium aquarium controller built for serious reef hobbyists and professionals seeking precision, reliability, and full control. Designed to protect and optimize your aquarium environment, the A3 model offers real time monitoring, intelligent automation, and seamless cloud connectivity. With powerful features like temperature, pH, salinity, and ORP monitoring, the Apex A3 ensures your aquatic life thrives.