Apex Accessories

Contains 3x 2-month reagent kits  (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day).  The 2month reagent kit has at least 240 alka...

2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day).  The reagent kit has at least 240 alkalinity tests and 120 ...

Neptune Conductivity Calibration Solution - 53.0 mS

The Neptune Apex Trident - Marine Aquarium CA, KH & MG Water Analyzer   The Trident is a self contained automatic titration colorimeter. That’s...

The Neptune Systems Probe Calibration Kit includes everything you need to calibrate your pH probe and salinity probe for reef tank conditions. The ...

Neptune Systems Temperature Probe For Apex Controllers

AUTOMATIC FEEDING SYSTEM :: AFSEnsure your fish are consistently fed, whether you're at home or away. Regular feeding is essential for aquatic ani...

The MPR - Magnetic Probe Rack was designed specifically for the Apex and will hold their larger diameter temperature probe, pH probe, ORP probe, an...

This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″ tubing. The electrical co...

What's the difference between double junction and single junction probes? Single junction probes put the reference electrode in direct contact with...

The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation.   The new aquarium hobbyist...

Neptune Apex Optical Level Sensor (OS-1) Optical sensors are the go to sensor if you want a reliable sensor over a long period. The Neptune Optical...

The DŌS comes standard with 4m of tubing. Many customers have been asking to purchase more tubing. We now have an available accessory — a 16-meter ...

The PMUP is a 24VDC submersible pump that was designed to directly connect to the DC24 accessory ports on either the 1Link module OR the same po...

Special 10% price match offer for this Neptune product! If you find a lower price in Canada, we'll match it plus give you an extra 10% of the diffe...

INTELLIGENT, QUIET, ENERGY EFFICIENT   Your return pump is by far the most important piece of equipment on your aquarium. It circulates the water w...

Energy Bar 832: This Energy Bar 832 was redesigned from the ground up. Not only does it have eight 120V AC outlets, but it includes an internal 100...

Neptune Lab grade Conductivity (salinity) Probe Dual Range 0 to 999 us/cm or 0 to 99.9 ms/cm Lab quality probe w/10' cable Minidin 4 Connector

4-pin male to male cable many of you have been waiting for. It is ten feet long. This cable allows you to connect your DŌS to the 1LINK there by el...

DŌS Replacement Pump Head Cap for your Neptune Systems DŌS module. Complete assembly includes cover, peri-tube, fittings and roller wheel. Nep...

Special 10% price match offer for this Neptune product! If you find a lower price in Canada, we'll match it plus give you an extra 10% of the diffe...

Neptune Systems IO Breakout Box The IO Breakout Box allows the easy addition of water level float switches, water pressure and flow sensors, water ...

Usually 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 Ap...