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Apex Auto Top Off

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  • Apex ATK V2 Automatic Top-Off Kit ATO (ATK) - Neptune Systems

    Apex ATK V2 Automatic Top-Off Kit ATO (ATK) - Neptune Systems

    Neptune Systems

    $239.99
    The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation. The new aquarium hobbyist has many challenges, but none is more annoying than the chore of adding water, every day, to make up for...
  • PMUP V2 Practical Multipurpose Utility Pump - Neptune Systems

    PMUP V2 Practical Multipurpose Utility Pump - Neptune Systems

    Neptune Systems

    $47.99
    The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. Automatic Top-Off (ATO) Carbon reactors GFO reactors Biopellet reactors Many other salt or freshwater uses NEW IN VERSION 2: Automatic shut off when...
  • Apex FMM Solenoid Valve (SV-1) - Neptune Systems

    Apex FMM Solenoid Valve (SV-1) - Neptune Systems

    Neptune Systems

    $34.99
    This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″ tubing. The electrical connection on this solenoid valve fits the DC24 accessory ports found on the FMM, 1Link, and Energy Bar...
  • Apex FMM Leak Detection Probe Low Profile (LD-1) - Neptune Systems

    Apex FMM Leak Detection Probe Low Profile (LD-1) - Neptune Systems

    Neptune Systems

    $34.99
    Plug this probe into your FMM and then place it underneath your carpet near your aquarium. Upon contact with water this probe will communicate to your Apex and alerts or other actions can then take place. Don’t have carpet, see the next...
  • V2 FMM Optical Level Sensor (OS-1) - Neptune Systems

    V2 FMM Optical Level Sensor (OS-1) - Neptune Systems

    Neptune Systems

    $29.99
    This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in...
  • Apex FMM Flow Sensor – 1/4″ (FS-25) RODI - Neptune Systems

    Apex FMM Flow Sensor – 1/4″ (FS-25) RODI - Neptune Systems

    Neptune Systems

    $21.99
    Usually used with aquarium accessories like RODI inputs, calcium reactor feed lines etc., this flow sensor can be placed in line with the flow on 1/4″ tubing, connected to the FMM, and communicate to your Apex the flow rate of water...
  • Fluid Monitoring Module (Module Only) - Neptune Systems

    Fluid Monitoring Module (Module Only) - Neptune Systems

    Neptune Systems

    $109.99
    FMM – FLUID MONITORING MODULE IT DOES SO MUCH! This is just the module itself without and sensors. The FMM (Fluid Monitoring Module) is a module that connects to any Apex (Apex(2016), Apex Classic, Apex Lite, Apex Jr.) via it’s AquaBus...