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New Brand Alert: EHEIM is coming to The Coral Shop! 🎉 Plus, July Specials dropping this week — stay tuned!
New Brand Alert: EHEIM is coming to The Coral Shop! 🎉 Plus, July Specials dropping this week — stay tuned!

Neptune Systems

Precision Monitoring & Automation for Serious Reefkeepers
Explore our full range of Neptune Systems gear—built for accuracy, control, and peace of mind. From the powerful Apex Controller and Trident water testing system to flow meters, probes, and leak detectors, Neptune’s modular components give you the tools to automate and monitor every part of your reef tank. Perfect for both new setups and long-term reef maintenance.

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    Trident - Marine Aquarium Water Analyzer

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    Neptune Systems Trident: Automated Testing for Calcium, Alkalinity, and Magnesium Overview The Trident is a fully automated testing system for salt...

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    2-Month Trident Reagent Kit

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    Neptune Systems Trident Reagent Kit For Trident Marine Water Analyser Overview Neptune Systems' Trident Reagent Kit includes everything you need f...

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    Probe Calibration Kit - ph 7.0, ph 10.0, & Salinity 53000uS

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    Neptune Systems Probe Calibration Kit Accurate Calibration for pH and Salinity Probes Overview Over time, all probes will drift—especially in reef...

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    15 Inch LLS Liquid Level Sensor

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    Neptune Systems LLS – Liquid Level Sensor Continuous Water Level Monitoring with Precision and Control Overview The LLS (Liquid Level Sensor) by N...

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    DOS Replacement Tubing

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    Neptune Systems DOS Replacement Tubing For DOS Dosing & Fluid Metering Systems Overview This replacement tubing is designed for use with the N...

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    Neptune Systems Conductivity Calibration Solution - 53000 Microsiemens

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    Neptune Systems 53,000 µS Conductivity Calibration Solution – Single Use Packet Accurate Salinity Calibration for Saltwater Applications Overview ...

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    MPR Magnetic Probe Rack

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    Neptune Systems MPR – Magnetic Probe Rack Secure & Organised Probe Management for Apex Systems Overview The Neptune Systems Magnetic Probe Rac...

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    Temperature Probe

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    Neptune Systems Long-Life Temperature Probe Reliable Temperature Monitoring for Any Apex Module Overview This long-life temperature probe is built...

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    Lab Grade Double Junction pH Probe

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    Neptune Systems Double Junction pH Probe Extended Life & Precision Monitoring for Reef Systems Overview The Double Junction pH Probe by Neptun...

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    Lab Grade Double Junction ORP Probe

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    Neptune Systems Double Junction ORP Probe Reliable, Long-Lasting ORP Monitoring for Reef Systems Overview The Double Junction ORP Probe from Neptu...

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    MOS Magnetic Optical Sensor

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    Neptune Systems MOS – Magnetic Optical Sensor Modern, Compact Water Level Monitoring with Apex Integration Overview The MOS (Magnetic Optical Sens...

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    DDR DOS Dual Reservoir

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    Neptune Systems DDR – DOS Dual Reservoir Smart, Stable Liquid Storage for Your Dosing System Overview The DDR (DOS Dual Reservoir) is a purpose-bu...

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    PMUP v2 Practical Multi-Purpose Utility Pump

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    Neptune Systems PMUP v2 – Multi-Purpose Utility Pump Compact, Powerful, and Versatile. Built for ATO and More. Overview The PMUP v2 (Practical Mul...

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    LD-2 Solid Surface Leak Detection Probe

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    Neptune Systems LD-2 Leak Detection Probe Detect Leaks Early. Prevent Costly Damage. Overview The LD-2 Leak Detection Probe is a full-size water s...

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    LD-1 Low Profile Leak Detection Probe

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    Neptune Systems LD-1 Leak Detection Probe Low-Profile Design for Discreet Leak Detection Overview The LD-1 Leak Detection Probe is a low-profile s...

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    MXM Mobius Wireless Control Module

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    On Back Order Due in About 2 weeks  Neptune Systems MXM – Mobius Wireless Module All Your Devices. One Control Centre. Overview The MXM (Mobius Co...

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    PM1 pH/ORP Probe Module

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    Neptune Systems PM1 – pH/ORP Probe Expansion Module Expand Your Apex Monitoring Capabilities Overview The PM1 Module is a compact, plug-and-play e...

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    FMM Fluid Monitoring Module

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    Neptune Systems FMM – Fluid Monitoring Module Flow Monitoring. Leak Detection. Water Level Management. Overview The FMM (Fluid Monitoring Module) ...

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    COR-15 Intelligent Return Pump (1500 GPH)

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    Neptune Systems COR-15 Intelligent Return Pump Smart, Silent, and Fully Apex-Integrated Overview The COR-15 is an intelligent, energy-efficient re...

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    DOS QuietDrive Dosing Pump

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    Neptune Systems DŌS QuietDrive Dose. Automate. Protect. Overview The DŌS QuietDrive (QD) is an upgraded, ultra-quiet dosing system designed to wor...

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    ATK V2 Auto Top Off Kit

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    Neptune Systems ATK – Auto Top-Off Kit A Complete, Standalone ATO Solution with Intelligent Safeguards Overview The ATK (Auto Top-Off Kit) by Nept...

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    AquaBus Cable 6 Ft

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    Neptune Systems AquaBus Cable For Interconnecting Apex Modules & Energy Bars Overview The AquaBus Cable is designed exclusively for use with N...

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    AquaBus Cable 3 Ft

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    Neptune Systems AquaBus Cable For Interconnecting Apex Modules & Energy Bars Overview The AquaBus Cable is designed exclusively for use with N...

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    AquaBus Cable 15 Ft Male - Female

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    Neptune Systems AquaBus Cable Male - Female For Interconnecting Apex Modules & Energy Bars Overview The AquaBus Cable is designed exclusively ...

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