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- DDR DOS Dual Reservoir - Neptune Systems
An elegant and highly refined solution to two-part/liquid storage, the DOS Dual Reservoir's advanced features are Apex Ready!
Features:
- Large Storage Capacity - Each vessel holds up to 2 liters of fluid for a total storage volume of 4 liters
- Connects directly to your DOS dosing system
- Engineered with a low center of gravity to help avoid tips and spills
- Optical sensors provide real-time fluid levels to the Apex Fusion dashboard
- Easily removable lids to make refills a breeze
- Built using cast acrylic
- Push-fit tubing connections
Specifications:
- 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
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Junk - not waterproof By Mark on 7/8/2019
Mark wouldn't recommend this product to a friendThis is my second unit. Not sure why Neptune continues to design modules that are not waterproof. Now unit even showing in dashboard. Will just use it as a very expensive container. Shame on Neptune. -
Not worth the money and very bad customer serves!!!!! By Wayne on 3/28/2019
Wayne wouldn't recommend this product to a friendThis was the biggest waste of money ever. The first one lasted a week and a half. Traded it out and the 2nd lasted the same. I had to send it to Neptune. they said you can not get the top wet it gets into the board that works the sensors. Why would you design something that holds fluids not to get wet? THey said they would fix it one time and any more I would have to pay to get it fixed. Why should I have to pay to fix something that Neptune poorly designed? To me that is very wrong of them. I have had none stop issue with just about everything I have got with my Apex and I have a lot of addons. I am in the process of switching to GHL something I wish I would had done for the get go. The customer service is the worst I have ever dealt with as well. Im telling you stay away from apex. -
Definitely a stinker... By Ant on 2/7/2019
Ant wouldn't recommend this product to a friendListen to what people are saying about this container. The container itself is nice, but the sensors are absolute garbage. Both my units had sensors fry and I'm talking FRY like short out and leave burn marks on the plastic nut. The whole experience has me second guessing ALL Neptune gear that uses optical sensors. -
Poor construction quality By Heath on 2/4/2019
Heath wouldn't recommend this product to a friendBoth the ddrs leak and interface cards failed to communicate with Alex after a few months. -
Less than 30 days and FAILED By Carlos on 1/20/2019
Carlos wouldn't recommend this product to a friendAs mentioned by the other reviewers, there is a serious flaw with these. I purchased mine on December 20th. Three weeks later the reservoir optical sensor starts indicating it is open (empty) even though it was actually full with 1900cc of Red Sea part A. On January 15, the DDR completely disappears from my Apex Fusion page. No where to be found, then several hours later it shows back up under the "new tiles" tab. I put it back in place and a little while later it disappears again! I go through this exercise four times in one afternoon. I asked Neptune for customer support and they said it was the connector to the DOS that was probably loose. NO its perfectly seated. I contact them again and they responded that they needed it shipped back to them. It's on its way to be evaluated. This is not worth $200 dollars. Its simply a nice looking acrylic container with lids and level sensors that obviously fail frequently. I would not buy again if I had the choice. -
Terrible By Terrible on 1/19/2019
Terrible wouldn't recommend this product to a friendDon't buy this! Terrible product, even worse customer service. I'm very disappointed. -
bad customer service By michael on 1/19/2019
michael wouldn't recommend this product to a friendsensor failed,neptune said it got wet on top of unit,how can this not be water proof for a dosing container,cost 20 bucks to ship it their and 55 bucks for repair,took two weeks to get back.neptune needs to improve customer service.hopefully another controller company comes out with better service. -
Optical Sensor Broke Off By Jeffrey on 1/16/2019
Jeffrey wouldn't recommend this product to a friendI have two of these. They look nice and have a small footprint but, I wish they where taller to hold more fluid. The big problem is one of the optical sensors fell off. After reading many reviews of Neptune's' less than stellar customer service I decided to just let it sit on the bottom. For $200.00 I expect more from a quality standpoint and shouldn't be reading so many reviews about their lack of customer service. -
Sensor / board failed By Will on 9/25/2018
Will wouldn't recommend this product to a friendNeptune wanted cash to replace the sensor because of damage due to spillage. It's almost impossible to avoid all spills and just a little bit of anything seems to destroy this unit. Time for a re-engineer on this one! -
sensor failed again By birdman on 9/22/2018
birdman wouldn't recommend this product to a friendsensor fell on 2 of these apex sells junk look at there reviews on all there add ons -
Complete Crap By Pete on 8/15/2018
Pete wouldn't recommend this product to a friendSensors keep failing. Also shipping at my expense to get it repaired to Neptune is ridiculous. Don't waste your money. -
Not watertight By Will on 8/3/2018
Will wouldn't recommend this product to a friendThe board failed due to damage from liquid spilling on the top. It's almost impossible to keep a dosing container completely dry. Not useable in my setup.
Can this be used without Dos? Plugged right into a aquabus
Question posted on Apr 12, 2016 7:36:00 PM
Great question!
The DDR requires a 6 pin connector which currently is only on the DOS itself and not on the 1Link module or other modules. Feel free to let us know if you have any further questions!
The DDR requires a 6 pin connector which currently is only on the DOS itself and not on the 1Link module or other modules. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Apr 13, 2016 3:31:00 PM
Does this connect with 2- BOB or 1-Aquabus cable?
Question posted on May 22, 2015 1:30:00 PM
Great Question,
This unit will connect directly to one of the accessory ports on the DOS. This leaves one extra accessory port for future monitors and the Aquabus cables free for daisy chaining.
This unit will connect directly to one of the accessory ports on the DOS. This leaves one extra accessory port for future monitors and the Aquabus cables free for daisy chaining.
Answer by: Connor (Admin) on May 22, 2015 3:10:00 PM
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