Neptune DDR DOS Dual Reservoir Aquariums & Stands API High Range pH (Marine)

API High Range pH (Marine) Test Kit

Neodymium rare-earth magnets provide dependable movement through thick glass

Store the probe tip in proper probe storage fluid when the probe is not in use

Low-profile design provides a clean and unobtrusive installation

Neptune DDR DOS Dual Reservoir Aquariums & Stands API High Range pH (Marine)Neptune DDR DOS Dual Reservoir Neptune DDR DOS Dual Reservoir is a cast acrylic dual dosing reservoir designed for use with the Neptune DOS, giving reef aquarists a clean way to store two dosing fluids with integrated low level sensing. Dual Reservoir for Neptune DOS Systems The DDR is built for aquarists who want dosing containers that look and function like part of the Apex system. Each side holds two litres of fluid, making it well suited for two