Neptune Systems DOS Dual Reservoir (DDR)

This attractive fluid containment system stores your dosing fluids in style and tells you when it’s time to refill!

Each side stores two liters (2L) of fluid

Connects directly to your DŌS

Optical sensors inform your APEX when levels are low

Strong, cast-acrylic construction

Low-profile – won’t easily tip over

Easy to refill

Push-fit tubing connections

Use for 2-part (Alk/Cal), additives and other applications

This product will not function stand-alone; it requires a Neptune Systems Apex Controller.