Neptune COR-20 Return Pump Controllers allows an additional fine-tuning of

allows an additional fine-tuning of the water level

Double chamber allows two medias to be used simultaneously

Existing spectrums will be achievable with all new versions of existing lights

ReBorn replenishes calcium and carbonate alkalinity

Neptune COR-20 Return Pump Controllers allows an additional fine-tuning ofCOR 20 RETURN PUMP Neptune System's Stand alone Return Pump. Offers: Connect to an any Apex or run Stand alone Up to 2000 GPH Internal or External configuration IQ Level with appropriate min and max speeds All the appropriate fittings Energy Efficient Operation (90W max) Incredibly Quiet Operation Includes: COR Pump COR 20 Driver 6' Aquabus Cable 100W Power Supply 1. 25" BSPP > 1. 25" Slip Union 1. 0" & 0. 75" Slip Fittings