{"title":"Controllers \u0026 Monitors","description":"\u003cp\u003eShop aquarium controllers and monitors from Neptune Systems. The Apex ecosystem gives you complete remote control, real-time alerts, and automation for every aspect of your reef — from anywhere in the world via Apex Fusion.\u003c\/p\u003e","products":[{"product_id":"neptune-systems-a3-apex-pro-system","title":"Neptune Systems A3 Apex Pro System","description":"\u003cp\u003eThe Neptune Systems A3 Apex Pro System is the most complete and capable aquarium controller package Neptune Systems offers. Built around the A3 Apex Pro Base Unit, this system gives serious reef keepers total control over every aspect of their aquarium — water chemistry monitoring, equipment control, leak detection, fluid level sensing, and full remote access via the Apex Fusion app and web interface.\u003c\/p\u003e\u003cp\u003eThe A3 generation brings improved connectivity, faster processing, and a refined user experience. With lab-grade probes for pH and ORP, automated alerts, and seamless integration with the Neptune ecosystem including the Trident, DOS, COR pumps, and MXM module, the Apex Pro System is the foundation of a truly smart reef.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA3 Apex Pro Base Unit\u003c\/li\u003e\n\u003cli\u003eEnergy Bar 832\u003c\/li\u003e\n\u003cli\u003e6 ft Aquabus Cable\u003c\/li\u003e\n\u003cli\u003eLab Grade Double Junction pH Probe\u003c\/li\u003e\n\u003cli\u003eLab Grade Double Junction ORP Probe\u003c\/li\u003e\n\u003cli\u003eTemperature Probe\u003c\/li\u003e\n\u003cli\u003eOptical Leak Sensor\u003c\/li\u003e\n\u003cli\u003e15\" Liquid Level Sensor\u003c\/li\u003e\n\u003cli\u003epH Calibration Solutions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull aquarium monitoring and automation\u003c\/li\u003e\n\u003cli\u003eRemote access via Apex Fusion app (iOS, Android, web)\u003c\/li\u003e\n\u003cli\u003eEmail and text alerts for out-of-range parameters\u003c\/li\u003e\n\u003cli\u003eControls outlets, pumps, lights, dosers, and more\u003c\/li\u003e\n\u003cli\u003eExpandable with additional Neptune modules and accessories\u003c\/li\u003e\n\u003cli\u003eCompatible with EcoTech Marine and AquaIllumination via MXM module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptune Systems","offers":[{"title":"Default","offer_id":48243842941169,"sku":"NS-A3-APEX-PRO","price":974.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8378\/8785\/files\/apex_Pro_system.jpg?v=1780461831"},{"product_id":"neptune-systems-a3-apex-system","title":"Neptune Systems A3 Apex System","description":"\u003cp\u003eThe Neptune Systems A3 Apex System is the ideal starting point for reefers who want full aquarium automation and remote monitoring. The A3 Apex Base Unit monitors and controls all the critical parameters of your reef — pH, temperature, leak detection, and fluid level — while giving you complete control over every connected device via the Apex Fusion app.\u003c\/p\u003e\u003cp\u003eWhether you're controlling return pumps, powerheads, lights, dosers, or heaters, the Apex puts everything at your fingertips from anywhere in the world. The A3 generation features improved processing speed, enhanced connectivity, and seamless integration with the full Neptune Systems ecosystem.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA3 Apex Base Unit\u003c\/li\u003e\n\u003cli\u003eEnergy Bar 832\u003c\/li\u003e\n\u003cli\u003e6 ft Aquabus Cable\u003c\/li\u003e\n\u003cli\u003eLab Grade Double Junction pH Probe\u003c\/li\u003e\n\u003cli\u003eTemperature Probe\u003c\/li\u003e\n\u003cli\u003eSolid-Surface Leak Detection Probe\u003c\/li\u003e\n\u003cli\u003eMagnetic Optical Sensor\u003c\/li\u003e\n\u003cli\u003epH Calibration Solutions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull aquarium monitoring and automation\u003c\/li\u003e\n\u003cli\u003eRemote access via Apex Fusion app (iOS, Android, web)\u003c\/li\u003e\n\u003cli\u003eEmail and text alerts for out-of-range parameters\u003c\/li\u003e\n\u003cli\u003eControls outlets, pumps, lights, dosers, and more\u003c\/li\u003e\n\u003cli\u003eExpandable with additional Neptune modules and accessories\u003c\/li\u003e\n\u003cli\u003eCompatible with EcoTech Marine and AquaIllumination via MXM module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptune Systems","offers":[{"title":"Default","offer_id":48243843301617,"sku":"NS-A3-APEX","price":629.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8378\/8785\/files\/apex_a3_system.jpg?v=1780461843"},{"product_id":"neptune-systems-a3-apex-jr-system","title":"Neptune Systems A3 Apex Jr System","description":"\u003cp\u003eThe Neptune Systems A3 Apex Jr System is the perfect entry point into the Apex ecosystem. Designed for smaller tanks or reefers who want the power of Neptune automation without the full-size Apex footprint, the Apex Jr delivers real-time monitoring, equipment control, and remote access via the Apex Fusion app — all at a lower price point.\u003c\/p\u003e\u003cp\u003eThe Apex Jr connects directly to your home network and gives you the ability to monitor pH, temperature, and leak detection from anywhere in the world. It's fully expandable with Neptune modules as your tank and needs grow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA3 Apex Jr. Base Unit\u003c\/li\u003e\n\u003cli\u003eLab Grade Double Junction pH Probe\u003c\/li\u003e\n\u003cli\u003eTemperature Probe\u003c\/li\u003e\n\u003cli\u003eSolid-Surface Leak Detection Probe\u003c\/li\u003e\n\u003cli\u003eMagnetic Optical Sensor\u003c\/li\u003e\n\u003cli\u003ePower Supply\u003c\/li\u003e\n\u003cli\u003epH Calibration Solutions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAquarium monitoring and automation\u003c\/li\u003e\n\u003cli\u003eRemote access via Apex Fusion app (iOS, Android, web)\u003c\/li\u003e\n\u003cli\u003eEmail and text alerts for out-of-range parameters\u003c\/li\u003e\n\u003cli\u003eExpandable with additional Neptune modules and accessories\u003c\/li\u003e\n\u003cli\u003eCompatible with EcoTech Marine and AquaIllumination via MXM module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptune Systems","offers":[{"title":"Default","offer_id":48243843563761,"sku":"NS-A3-APEX-JR","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8378\/8785\/files\/Apex_jr_system.jpg?v=1780461853"},{"product_id":"neptune-systems-trident-marine-aquarium-water-analyzer","title":"Neptune Systems Trident Marine Aquarium Water Analyzer","description":"\u003cp\u003eThe Neptune Systems Trident is an automated marine aquarium water analyzer that regularly tests alkalinity, calcium, and magnesium — the three most critical parameters for a successful reef — and communicates the results directly to your Apex controller. No more manual testing, no more guessing. The Trident keeps your parameters dialed in around the clock.\u003c\/p\u003e\u003cp\u003eWhen combined with the DOS Quiet Drive dosing system, the Trident creates a fully automated closed-loop system that not only tests your water but automatically adjusts your dosing to maintain consistent levels. For serious SPS and reef keepers, this is the ultimate set-and-forget water chemistry solution.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAutomated testing of alkalinity, calcium, and magnesium\u003c\/li\u003e\n\u003cli\u003eCommunicates results directly to your Apex controller\u003c\/li\u003e\n\u003cli\u003eSet alerts for out-of-range parameters via Apex Fusion\u003c\/li\u003e\n\u003cli\u003ePairs with DOS for fully automated dosing control\u003c\/li\u003e\n\u003cli\u003eRequires an Apex controller (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1x Trident System\u003c\/li\u003e\n\u003cli\u003e1x 1Link Cable\u003c\/li\u003e\n\u003cli\u003e5 ft Black Sample Tubing\u003c\/li\u003e\n\u003cli\u003e5 ft Clear Waste Tubing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptune Systems","offers":[{"title":"Default","offer_id":48243844022513,"sku":"NS-TRIDENT","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8378\/8785\/files\/212271side-Neptune-1200x1200-1_be6c66ad-c43c-4108-a4d7-8878a0d28021.png?v=1780461867"},{"product_id":"neptune-systems-dos-quiet-drive-dosing-and-fluid-metering-system","title":"Neptune Systems DOS Quiet Drive - Dosing and Fluid Metering System","description":"\u003cp\u003eThe Neptune Systems DOS Quiet Drive is a near-silent, multi-purpose dosing and fluid delivery system designed to integrate seamlessly with your Apex controller. Controlled entirely through Apex Fusion, the DOS QD handles 2-part dosing, additive dosing, automatic water changes, micro-quantity dosing, and delivery of liquid foods and supplements — all with precision and reliability.\u003c\/p\u003e\u003cp\u003eQuietDrive technology makes the DOS QD virtually inaudible in any application. With variable flow from 0.1 mL to 250 mL per minute and a 24-foot lift and suction height, it handles virtually any dosing setup with ease. Requires an A2 or A3 Series Apex controller.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 9.5\" x 5\" x 5\" (approx.)\u003c\/li\u003e\n\u003cli\u003eWeight: 4 lbs (approx.)\u003c\/li\u003e\n\u003cli\u003eFlow Rate: Variable — 0.1 mL to 250 mL per minute\u003c\/li\u003e\n\u003cli\u003eLift Height: 24 ft (minimum at MSL)\u003c\/li\u003e\n\u003cli\u003eSuction Height: 24 ft\u003c\/li\u003e\n\u003cli\u003ePower Requirement: 24V DC\u003c\/li\u003e\n\u003cli\u003eRequires: A2 or A3 Series Apex (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2-Part Dosing (Calcium and Alkalinity)\u003c\/li\u003e\n\u003cli\u003eOther Additives Dosing\u003c\/li\u003e\n\u003cli\u003eAutomatic Water Changes\u003c\/li\u003e\n\u003cli\u003eMicro-Quantity Dosing\u003c\/li\u003e\n\u003cli\u003eDelivery of Liquid Foods and Supplements\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptune Systems","offers":[{"title":"Default","offer_id":48243845595377,"sku":"NS-DOS-QD","price":374.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8378\/8785\/files\/254973-MufflerProject-an.jpg?v=1780461918"},{"product_id":"neptune-systems-ddr-dual-reservoir","title":"Neptune Systems DDR Dual Reservoir","description":"\u003cp\u003eThe Neptune Systems DDR Dual Reservoir is a purpose-built fluid containment system designed to work directly with the DOS dosing system. Constructed from strong cast acrylic, the DDR holds 2 liters of fluid on each side — perfect for storing two-part alkalinity and calcium solutions, or any other dosing additives — and connects directly to your DOS for a clean, organized setup.\u003c\/p\u003e\u003cp\u003eBuilt-in optical sensors communicate fluid levels directly to your Apex controller, so you'll always get an alert before you run out. Low-profile design, push-fit tubing connections, and easy top-fill access make the DDR as practical as it is attractive.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2 liters per side (4 liters total capacity)\u003c\/li\u003e\n\u003cli\u003eConnects directly to the DOS dosing system\u003c\/li\u003e\n\u003cli\u003eOptical sensors alert your Apex when levels are low\u003c\/li\u003e\n\u003cli\u003eStrong cast-acrylic construction\u003c\/li\u003e\n\u003cli\u003eLow-profile design — stable and won't tip\u003c\/li\u003e\n\u003cli\u003ePush-fit tubing connections for easy setup\u003c\/li\u003e\n\u003cli\u003eEasy top-fill access for quick refills\u003c\/li\u003e\n\u003cli\u003eCompatible with 2-part, alkalinity, calcium, and other additives\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptune Systems","offers":[{"title":"Default","offer_id":48243846119665,"sku":"NS-DDR","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8378\/8785\/files\/DDR-on-black.jpg?v=1780461930"},{"product_id":"neptune-systems-trident-np-marine-aquarium-water-analyzer","title":"Neptune Systems Trident NP Marine Aquarium Water Analyzer","description":"\u003cp\u003eThe Neptune Systems Trident NP is an automated marine aquarium water analyzer that regularly tests nitrate and phosphate levels in your saltwater aquarium, then communicates the results directly to your Apex controller. For SPS and high-demand reef systems where nutrient control is critical, the Trident NP takes the guesswork and manual testing out of the equation entirely.\u003c\/p\u003e\u003cp\u003eJust like its alkalinity, calcium, and magnesium counterpart, the Trident NP feeds live data into Apex Fusion so you can set custom alerts and stay ahead of any nutrient swings — from anywhere in the world. Requires an Apex controller and reagent (sold separately).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAutomated testing of nitrate and phosphate\u003c\/li\u003e\n\u003cli\u003eCommunicates results directly to your Apex controller\u003c\/li\u003e\n\u003cli\u003eSet custom alerts for out-of-range levels via Apex Fusion\u003c\/li\u003e\n\u003cli\u003eEliminates manual testing for nitrate and phosphate\u003c\/li\u003e\n\u003cli\u003eRequires an Apex controller (sold separately)\u003c\/li\u003e\n\u003cli\u003eReagent not included — purchase separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 12.4\" x 4.9\" x 9.8\" (31.5 cm x 12.5 cm x 25 cm)\u003c\/li\u003e\n\u003cli\u003eWeight: 4 lbs (1.8 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1x Trident NP System\u003c\/li\u003e\n\u003cli\u003e1x 1Link Cable\u003c\/li\u003e\n\u003cli\u003eSample Tubing\u003c\/li\u003e\n\u003cli\u003eWaste Tubing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptune Systems","offers":[{"title":"Default","offer_id":48243847692529,"sku":"NS-TRIDENT-NP","price":669.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8378\/8785\/files\/neptune-trident-1200px_1.png?v=1780461970"}],"url":"https:\/\/spsreefco.com\/collections\/controllers-monitors.oembed","provider":"SPS REEF CO","version":"1.0","type":"link"}