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3/4" Inline Probe Holder - Adaptive Reef
Adaptive Reef$131.99In Line Probe Holder built by adaptive reef. Looking for accuracy with your monitoring probes without all the cleaning and hassle needed to get good data? Adaptive Reef creating this one of a kind solution for running your probes in line... -
STE 800W Digital Titanium Heater w/Guard UL (190-265 Gallon) - Finnex
Finnex$129.99STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller: Smart 68-92 deg F, precise temperature control, +/- 1 deg F... -
HYDROS iV Isolation Testing Vessel/Chamber by Coralvue
Hydros$129.99The HYDROS iV is a new Drive port accessory that acts as an isolated vessel for removing electrical noise from water samples resulting in extremely accurate test results. It includes a beaker with a magnetic stirrer and provides isolated readings for... -
Apex EB4 - Energy Bar 4 - Neptune Systems
Neptune Systems$125.99The Energy Bars available for our Apex systems are much more than a glorified power strip. In fact, this component of your aquarium controller equipment is far more important than most people realize – and not all systems are created equal! It... -
HYDROS Lab Grade Salinity/Conductivity Probe Kit
Hydros$119.99Lab Grade Salinity/Conductivity Probe Kit Keep track of the salinity in your marine aquarium with the CoralVue HYDROS Salinity Kit. This kit includes the necessary 28ppt and 35ppt calibration solutions to ensure precise conductivity... -
HYDROS 2" Flow Sensor - Coralvue
Hydros$119.99The HYDROS Flow Sensors are easy-to-install and measure the flow rate of water passing through it using the HYDROS app. Available in four sizes: 3/4in (40-800gph), 1in (50-1500gph), 1.5in (100-2500gph), 2in (9200-4050gph) The HYDROS Flow... -
2k Gyre Flow Pump (Pump Only) - Icecap
Icecap$119.99The IceCap Gyre is back and better than ever! The all-new IceCap 2K Gyre Flow Pump is more powerful than its 1K predecessor. Gyre 2K Pump Features & Benefits Unique Gyre Flow: Virtually Eliminates Dead Spots Evenly Distributed Linear... -
MXM - Mobius Wireless Module - Controls Ecotech & AI Devices - Neptune Systems
Neptune Systems$119.95Bring the award-winning pumps and lights from EcoTech Marine and AquaIllumination wirelessly under the control of the easy to use, yet powerful, Neptune Systems’ Apex and Apex Fusion interface. Scheduled Feeding With the Apex, you can... -
STE 600W Digital Titanium Heater w/Guard UL (120-150 Gallon) - Finnex
Finnex$118.99STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller: Smart 68-92 deg F, precise temperature control, +/- 1 deg F... -
Apex ADM Silver Display - Neptune Systems
Neptune Systems$115.99A redesigned display module has been created with a slick new look that matches the color scheme. Orange LED -
Apex AFS - Automatic Feeding System - Neptune Systems
Neptune Systems$115.99Feed your fish consistently, and safely, while you are home OR away! NOT A STAND-ALONE FEEDER (MUST BE USED WITH AN APEX SYSTEM) A key component of caring for aquatic animals is regularly providing them with food, but in amounts that get consumed... -
Mini Neptune DOS Controller Board WHITE - Adaptive Reef
Adaptive Reef$114.99Adaptive Reef Boards Purpose-Built for the Neptune Systems DÅŒS Easily mount two DÅŒS pumps 15" x 15" size Includes hinges for easy access Available in Black or White The Neptune Systems DÅŒS is one of the most popular dosing pumps for both... -
Mini Neptune DOS Controller Board BLACK - Adaptive Reef
Adaptive Reef$114.99Adaptive Reef Boards Purpose-Built for the Neptune Systems DÅŒS Easily mount two DÅŒS pumps 15" x 15" size Includes hinges for easy access Available in Black or White The Neptune Systems DÅŒS is one of the most popular dosing pumps for both... -
Deluxe Mini Aquarium Controller Board BLACK - Adaptive Reef
Adaptive Reef$114.99Adaptive Reef Aquarium Controller Boards Now in Mini Safely mount electrical equipment 15" x 15" size Includes hinges for easy access Available in Black or White Most of us have a scary tangle of cords coming out of our controllers and running... -
Deluxe Mini Aquarium Controller Board WHITE - Adaptive Reef
Adaptive Reef$114.99Adaptive Reef Aquarium Controller Boards Now in Mini Safely mount electrical equipment 15" x 15" size Includes hinges for easy access Available in Black or White Most of us have a scary tangle of cords coming out of our controllers and running... -
Mini Neptune Apex Controller Board WHITE - Adaptive Reef
Adaptive Reef$114.99Purpose-Built for the Neptune Systems Apex Safely mount electrical equipment 15" x 15" size Pre-drilled holes Includes hinges for easy access Available in Black or White Introducing the Neptune Systems Mini Controller Board from Adaptive Reef,... -
Mini Neptune Apex Controller Board BLACK - Adaptive Reef
Adaptive Reef$114.99Purpose-Built for the Neptune Systems Apex Safely mount electrical equipment 15" x 15" size Pre-drilled holes Includes hinges for easy access Available in Black or White Introducing the Neptune Systems Mini Controller Board from Adaptive Reef,... -
Apex 1LINK - Power and Communication Module - Neptune Systems
Neptune Systems$114.991LINK™ – Easy, one-click installation The WAV is the first of a line of aquarium products from Neptune Systems that will use a completely new interface. While many in the aquarium world continue to embrace wireless technologies for... -
Slide-Out Control Panel 25 - Red Sea
Red Sea$110.00Designed with hobbyist needs in mind, Red Sea’s new slide-out Control Panel helps you to get the most out of your cabinet space by placing your dosers, controllers and other devices in one easily accessible place. The Control Panel is designed to... -
Alkatronic 4L Concentrated Reagent
Focustronic$110.00A concentrated reagent specifically for the Alkatronic Alkalinity Controller. For every 1 part reagent, mix 4 parts RO/DI water. Every 1000mL of concentrate will produce 5000mL Total of solution. Store locked up Keep away from children. Not for human... -
On Sale 21%
Duetto 2 Dual-Sensor ATO Aquarium Auto-Top-Off System - XP Aqua
XP Aqua$139.99$109.99With huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level... -
35" Liquid Level Sensor (LLS-35) - Neptune Systems
Neptune Systems$109.99The largest of the LLS sensors is the 35″ sensor. This sensor is to be used for large reservoirs that are often utilized for saltwater reservoirs for manual and automatic water changes. Never before offered in the aquarium industry... -
Smart ATO Nano Kit - AutoAqua
AutoAqua$109.99The Smart ATO Nano Kit is a plug-and-play auto top-off system made by Autoaqua. Specifically designed for nano and pico aquariums under 50 gallons, this ATO nano kit will automatically monitor and refill evaporated... -
Apex Trident Reagent Kit (6 Month Supply) - Neptune Systems
Neptune Systems$109.99Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping on hand no more Trident reagent than you might... -
Apex FMM Flow Sensor – 2″ (FS-200) - Neptune Systems
Neptune Systems$109.99Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses British Standard Parallel Pipe... -
Fluid Monitoring Module (Module Only) - Neptune Systems
Neptune Systems$109.99FMM – 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... -
Apex VDM - Variable LED Dimming - Neptune Systems
Neptune Systems$109.99Every day it seems there is yet another LED light fixture released. Each one with its own method for control and dimming. With this module, you can outfit your Apex System with the ability to control many different brands of LED lights…from... -
STE 400W Digital Titanium Heater w/Guard UL (80-100 Gallon) - Finnex
Finnex$106.99STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller: Smart 68-92 deg F, precise temperature control, +/- 1 deg F... -
Double Junction Lab Grade ORP Probe - Neptune Systems
Neptune Systems$104.99Double junction probes place a second vessel inside the main electrolyte with a second internal junction. The means that even when the aquarium water eventually begins to make its way in the first compartment, it still has to go through the second... -
On Sale 15%
Aquawind Eco Chic Aquarium Fan (7028.500) - Tunze
Tunze$119.99$101.99The TUNZE® Aquawind eco chic 7028.500 is a very low-noise aquarium ventilator provided with 12 V safety low voltage and it is easy to install on the edge of aquariums with a glass thickness of 0 up to 22 mm (0” - 0.866”). The angle... -
HYDROS 1.5" Flow Sensor - Coralvue
Hydros$99.99The HYDROS Flow Sensors are easy-to-install and measure the flow rate of water passing through it using the HYDROS app. Available in four sizes: 3/4in (40-800gph), 1in (50-1500gph), 1.5in (100-2500gph), 2in (9200-4050gph) The HYDROS Flow... -
EXO Auto Top Off ATO - Reef Breeders
Reef Breeders$99.99The Reef Breeders Exo-ATO (External ATO) is one of the first ATO systems to contain all electronics outside of your aquarium. The controller and sensor mount to the outside of the glass, and a small magnetic ring is inserted at your desired water level... -
White Aquarium Controller Board Base Pedestal (Standard & Deluxe) - Adaptive Reef
Adaptive Reef$99.99Mounting your board on a table or under your fish tank? No problem. This stand was build to fit the Adaptive Reef Control boards and installs in seconds. It will prevent your board from flopping over. Works with both your standard... -
Black Aquarium Controller Board Base Pedestal (Standard & Deluxe) - Adaptive Reef
Adaptive Reef$99.99Mounting your board on a table or under your fish tank? No problem. This stand was build to fit the Adaptive Reef Control boards and installs in seconds. It will prevent your board from flopping over. Works with both your standard... -
24v Apex Red/Green Status Indicator (Dual) - Adaptive Reef
Adaptive Reef$99.99Adaptive Reef in conjunction with Harry's Aquatics is pleased to bring a full line of products designed to work with and enhance the user experience with aquarium controllers. From switch control boxes and 0-10v based devices to warning lights and... -
ReefCan 40L 10 Gallon Auto Top Off Container (R35632) - Red Sea
Red Sea$99.00The Red Sea ReefCan is an Auto Top Off reservoir designed to either fit in the cabinet alongside a sump or failing that, at the side of the cabinet on the outside. It will come in two sizes, a 40 liter/10.6-gallon volume, and an 18 liter/4.8 gallon,... -
STE 200W Digital Titanium Heater w/Guard UL (40-60 Gallon) - Finnex
Finnex$94.99STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller: Smart 68-92 deg F, precise temperature control, +/- 1 deg F... -
Double Junction Lab Grade pH Probe - Neptune Systems
Neptune Systems$94.99Double junction probes place a second vessel inside the main electrolyte with a second internal junction. The means that even when the aquarium water eventually begins to make its way in the first compartment, it still has to go through the second... -
Apex PM2 - Salinity, Temperature, I/O Expansion Module - Neptune Systems
Neptune Systems$94.99Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack until it’s too late. With this module, your Apex... -
Apex PM1 - pH or ORP, Temperature, I/O Expansion Module - Neptune Systems
Neptune Systems$94.99The PM1 probe module is just what you need if you want to monitor pH or ORP in your tank. And, there is an added bonus, you get an extra temperature port as well as six I/O switch inputs for use on ATO, feed buttons, or whatever else you may come up...