COR-20 Intelligent Return Pump (2000 GPH) - Neptune SystemsUse With or Without an Apex Controller! The intelligent Neptune COR 20 Return Pump is easily the smartest pump available. Directly connect to any Apex controller through an Aquabus Port, but if you do not have a controller, don't worry, you don't need one! The COR 20 is capable of stand alone operation, but also offers advanced control features that can be found by using the Apex Fusion Cloud Software (Apex required). Add a COR pump to your system

No fillers or harmful chemicals

Utilizes natural attractants and marine-derived proteins to improve feeding response and

The included magnet mount allows for easy placement on surfaces up to a half-inch thick

Adjustable Surface Skimmer

Chemi Clean is by far our most favorite product for combating red slime stains in saltwater aquariums

Reverse osmosis is the finest level of filtration available

allowing for users to achieve fast and accurate measurements with their Phosphorus Ultra Low Range Checker® HC

ranging from 10000K to 14000K

or closed-loop systems

Medium Pack: Ideal for 80-gallon mixed reefs

energy efficiency

1x HI772-26 Marine Alkalinity reagent (30mL)