DDR DOS Dual Reservoir – Neptune Systems

(3 customer reviews)



In stock

Certified (#AQ0358037) Department of Agriculture


The DOS Dual Reservoir’s cutting-edge features are Apex Ready, making it a beautiful and highly polished option for two-part/liquid storage!


Large Storage Capacity: With each vessel capable of holding up to 2 liters of liquid, a total of 4 liters may be stored.
Immediately attaches to your DOS dosing system
Low center of gravity design helps prevent tipping and spills.
Fluid levels are provided in real-time to the Apex Fusion dashboard through optical sensors.
Lids that are easily removed to make refilling a breeze.
Constructed of cast acrylic.
Tubes with push-fit connectors.


  • Dimensions (approx) – 10.5″ x 8.5″ x 5.5″
  • Capacity – 2000ml per side (0.52 gallons)
  • Apex, Apex Lite, or Apex Jr. and DOS dosing system required to operate level sensors

What’s in the Box?

  • DDR with sensors and cable
  • 4 meters of tubing
  • Getting Started Guide