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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...

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 diff...

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

 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 diff...

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...

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...

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...

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

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...

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-...

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...

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...

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 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

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...

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...

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...

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...

This is a ten foot Male/Female extension cable that will enable you to remotely locate DC24 accessories like the PMUP. NOTE: The...