Neptune Systems – DDR Dual Reservoir for DOS
Overview
The Neptune DDR (Dual DOS Reservoir) is a sleek, integrated storage solution for two-part or liquid additives. Purpose-built to work seamlessly with the Neptune DOS dosing system and Apex Controllers, it offers automated monitoring, easy refills, and a compact footprint ideal for modern reef setups.
Key Features
- 4L Total Capacity – Two separate 2-liter chambers for storing alkalinity, calcium, or other additives
- Integrated Optical Sensors – Monitors fluid levels and displays status on Apex Fusion
- Direct DOS Compatibility – Designed specifically to connect with Neptune DOS for seamless integration
- Low Center of Gravity – Reduces the risk of tipping and spills
- Easy Refill Access – Removable cast acrylic lids for quick top-offs
- Push-Fit Tubing Ports – Secure and clean installation without clamps
Specifications
- Dimensions (Approx.): 10.5" W x 8.5" D x 5.5" H
- Capacity: 2000mL per side (0.52 gallons each)
- Sensor Functionality Requires: Apex, Apex Lite, or Apex Jr. with Neptune DOS
What’s Included
- 1x DDR Reservoir with Built-in Optical Sensors & Cable
- 4 Meters of Dosing Tubing
- Quick Start Guide
Note: DOS Dosing System and Apex Controller required for full functionality.
We totally understand that plans change! You can modify or cancel your order as long as it hasn’t been shipped yet. Just call or email us right away - our team will confirm if we can catch it before it leaves our facility.
If your order is already in transit, you’ll need to request a return once it arrives. Keep in mind that some items, like aquariums and livestock, can’t be returned.
For full terms, please refer to our Refund & Return Policy.
Placing an order is simple - just add your item to the cart & complete the checkout process online. Once your order is confirmed, we'll reach out to you directly to schedule a local pick-up appointment at our facility.
* All local pick-ups are by appointment only *
Order processing typically takes 1-2 business days for products that are in stock or readily available through our network of distributors. Some products, however, are fulfilled on demand directly from our distributors, which can slightly extend processing and delivery times depending on availability and location.
Rest assured - we always work to get your order shipped as quickly as possible.
If you’d like to confirm availability or request an ETA before placing your order, you’re always welcome to call or email us.