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Neptune Systems

DOS Dosing and Fluid Metering System

In stock
Out of stock
SKU
208869
$314.99

$349.99
- +

DŌS – Dosing and Fluid Metering System

  • Easy Setup via the Apex Fusion Interface
  • Great for Two-Part Dosing or Automatic Water Changes
  • Precision Dosing with Flow Rates from 0.1mL to 250mL/min
  • Easy-to-Replace Dosing Heads

 

The Neptune Systems DŌS is a highly efficient, programmable dosing system designed to work seamlessly with the Neptune Systems Apex Controllers. Ideal for a variety of dosing applications, it offers precise control over dosing volumes and schedules through the easy-to-use Apex Fusion cloud interface. The DŌS pump features dual pump heads, large-diameter tubing for less wear and quieter operation, and simple maintenance with easy tube replacement. It's a practical solution for accurate and consistent aquarium dosing, minimizing manual work and maximizing reliability.

 

What Can the DŌS be Used For?

Two-Part Dosing: The most common use for the DŌS is dosing calcium and alkalinity to your system. Using a dosing pump to add these elements means greater stability of important water parameters and less daily maintenance. Simply run the DŌS Additive Dosing task in Apex Fusion and enter the amount of liquid you'd like to dose and when you'd like for it to be dosed. The DŌS then sets up all the dosing intervals within that time period. It even automatically chooses the slowest speed necessary for the pump so that it minimizes noise.

Automatic Water Changes: Water changes with the DŌS have never been easier.  All you do is run tubing to your empty vessel or drain and to your fresh stock of saltwater. Then, in Apex Fusion, select and run the DŌS Automatic Water Change task and you'll be up and running in a matter of minutes. It will perform an automatic water change for you based on the schedule you've set up. If you have optical sensors, you can even set up alerts when your fresh saltwater container is running low.

Micro Dosing: If you need to dose tiny amounts liquid (like vodka dosing or for Zeovit systems), the DŌS is the perfect solution due to its precision-controlled stepper motor. This ability to control pump movement in such a refined manner means that you can dose as little as 0.1ml at a time.

 

Easy Maintenance and Tubing Changes

Changing out the pump head on the DŌS is a snap...Literally! All you need to do to change out the pump head is squeeze and remove. Then attach your dosing tubing to the new head, and snap it back on. No screws, no fuss.

 

DDR Compatible (sold separately)

The DOS has an accessory port that will enable it to be connected to the DDR – DOS Dual Reservoir. The DDR has two storage vessels that hold up to 2 liters each, with an optical sensor in each side to let you know when you're running low on dosing solution. Note: alcohol-based products should not be stored in the DDR.

 

 

Specifications

Size (Approx.): 9.5″ x 5″ x 5″

Weight (Approx.): 4 pounds

Lift Height: 24 feet (minimum at MSL)

Suction Height: 24 feet

Flow Rate: Variable (0.1mL – 250mL/min)

Power Requirement:  110/120V or 220/24oV

Requires an Apex Controller to operate

 

What's Included?

DŌS pump

AquaBus cable

Power supply

4 meters DŌS tubing

More Information
UPC 748252989802
Variable Speed Yes
mL Per Minute Under 1mL, 1mL to 50mL, 51mL to 100mL, 101mL to 150mL, 151mL to 200mL, Over 200mL
Max Head Height Over 20 Feet
Duty Rating Continuous
Control Type Digital DC Control (with optional controller)
Compatible with Controllers Apex
Included Mounting Hang On/Bracket
Power Type DC
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Product Questions

How many watts does it pull?
Question by: Brian Reno on Apr 16, 2024, 10:05 PM
About 22 watts with a 100 watt limit.
Answer by: Grace (BRS Staff) on May 16, 2024, 2:10 PM
If I want to use this for AWC and already have a new Apex controller and a couple of large reservoirs (one for RODI and one for waste water). Aside from the DOS, are there other parts (tubing, sensors, something else) I need to get started with AWC?
Question by: Tom Leung on Jan 4, 2023, 12:52 PM
Tubing would be all you need to set up an auto water change with the DOS. You can read about it more here:
https://www.neptunesystems.com/getstarted/dos-2/dos-awc/
Answer by: William Reed (BRS Staff) on Jan 12, 2023, 3:22 PM
Would this be able to function as a dose pump for a calcium reactor?
Question by: Grant Carper on Aug 8, 2022, 5:48 AM
Hey there,
Thank you for reaching out to us. Unfortunately, it would not be able to. You want a pump that is more built for continuous duty.

Please let me know if you need anything further and take care!
Answer by: Matt Lucero (BRS Staff) on Aug 9, 2022, 9:00 AM
hi.
I am now using Neptune Systems
1Link Extension Cable - Neptune Systems Put this on top of your Apex
I want to plug it in right away.
Is it possible?
Includes Aquabus and 24v supply.
I don't want to write this.
Simply Neptune Systems
1Link Extension Cable - Neptune Systems Is this one possible?
I'm curious.
Question by: Byeung Deok Ahn on Jul 20, 2022, 12:47 AM
Thanks for the question! The DOS can be connected and powered in one of two ways to the Apex. The first is with the included AquaBus cable for communication and then the power supply for power. The second is with a 1Link Cable sold separately that provides both power and communication in one single cable. Let us know if we can help with anything else!
Answer by: Kyle Thomas (BRS Staff) on Jul 21, 2022, 7:58 AM
Hello, how many gallons will the pumps push until they need replacement?
Question by: Jack Johnson on Jul 15, 2022, 3:15 PM
That is a very good question. The DOS tubing/pump head is replaceable. Periodic replacement is normal. We carry replacement DOS pump heads. Their lifespan will depend on how often the pump is turned on and off as well as what liquid is pumped through them. Kalkwasser is typically harder on tubing than other additives like amino acids and that pump head would typically need to be replaced before the amino acids. We always recommend keeping a set of spare dosing pump heads on hand for when they need replaced. You can find those at the link below.

https://www.bulkreefsupply.com/dos-replacement-pump-head.html
Answer by: Rick Pucciarella (BRS Staff) on Jul 15, 2022, 3:28 PM
Just to be 1000% clear, DOS isn't powered over Aquabus, it requires power, maybe even with the included power supply? ha! It DOES provide a 1LINK and 24VDC port? That would be handy for plugging in say a COR 15 AND a PMUP? (emphasis on AND in that last sentence, as I run the permutations). Correct me if I'm wrong. Cheers.
Question by: curt on Jun 9, 2022, 12:40 PM
Thanks for the question! The DOS can be connected to the Apex in 2 ways, the first option is to use the included power supply and AquaBus connection. Alternatively you can purchase a 1Link cable to provide both communication and power and ditch the Aquabus and Power Supply. The 1Link will then need to be plugged into the EB832 or a 1Link Module with power. The 1Link port if open cannot be used to power another device, and there is no open accessory port for a PMUP on the DOS. Only AquaBus can be daisy chained from this particular module.
Answer by: Kyle Thomas (BRS Staff) on Jun 9, 2022, 1:34 PM
Thanks for the question! The DOS can be connected to the Apex in 2 ways, the first option is to use the included power supply and AquaBus connection. Alternatively you can purchase a 1Link cable to provide both communication and power and ditch the Aquabus and Power Supply. The 1Link will then need to be plugged into the EB832 or a 1Link Module with power.

The 1Link port if open cannot be used to power another device, and there is no open accessory port for a PMUP on the DOS. Only AquaBus can be daisy chained from this particular module.
Answer by: Kyle Thomas (BRS Staff) on Jun 9, 2022, 1:33 PM
I am considering the DOS to do water changes for me because I need technology to help me complete it regularly. However, I have a question about keeping the sand bed clean. I have used water changes to clean the sand as well. How do I meet the objective of keeping the sand clean if I only use the DOS for water changes?
Question by: Braden on Dec 15, 2021, 9:02 PM
Hi there. Thank you for reaching out with your questions. The DOS is a great option for auto water changes. I use one at home on my system. To handle keeping the sand clean, I opt for sand sifting snails, and a diamond goby. You will still want to periodically vacuum the sand with and do water changes but the nice thing about having an auto water change system is that you can go much longer between manual water changes. I personally do about one every 6 weeks instead of once a week.
Answer by: William Glenn (BRS Staff) on Dec 16, 2021, 2:26 PM
I’m looking at the dose pump to do water changes 130 gallon tank. I have to go up 14 feet make a run in the attic for about 92 feet and then down about 8 feet. I was wondering if the pump is capable of making that type of run.
Thanks,
Harry
Question by: harry corliss on Sep 11, 2020, 7:00 PM
It is not. The overall vertical height is around 12 feet. The horizontal does not matter.
Answer by: Matt Lucero (BRS Staff) on Nov 5, 2021, 9:47 AM
Do you need an apex system to use this dosing pump?
Question by: Corey Mann on Jan 17, 2018, 4:46 PM
An Apex controller is required for use with the DOS Fluid Metering System.
Answer by: Charlie on Jan 17, 2018, 7:26 PM
Does this pump have to be positioned above the fluid source? The pump and A/B solutions would both reside in my stand... The sump is also in the stand. Can I merely put the A/B fluid in the bottom of the stand, as well as the pump right next to it, and then pump directly into the sump?
Question by: Andrew on Dec 9, 2017, 5:28 PM
Hi there,
Thank you for reaching out. the DOS pump does not have to sit above what you are pumping. The pump head is designed to prevent siphoning so you have a wide variety of options on where you place the pump
Please let us know if you have any questions
Answer by: William Glenn on Dec 13, 2017, 1:48 PM
Will this work with an Apex Classic Unit?
If so, do I need any special modules or something similar?
Question by: Andrew on Dec 9, 2017, 5:25 PM
Hi there,
Thank you for reaching out.
The DOS pump is an excellent dosing pump and will work great with the Apex classic. It connects with an aquabus cable and does not require additional modules
Have a great day!
Answer by: William Glenn on Dec 13, 2017, 1:40 PM
Can you piggy-back pumps? In other words, can pumps be added to each other? I dose 5 separate additives.
Question by: DAVID on Nov 5, 2017, 12:35 PM
You can run multiple DOS pumps with the Neptune Apex System. If you dose 5 different elements, then you would need 3 pumps, but it is possible.
Answer by: Charlie on Nov 26, 2017, 7:22 AM
So does this dosing pump have the tubing or not as the gentlemen up top asked before and your answer defers from what your page states.

WHAT'S IN THE BOX
DOS pump
Aquabus cable
Power supply
4 meters DOS tubing
Question by: Matt on Jun 9, 2017, 3:15 PM
Sorry for any confusion. That question/answer was originally provided when the product was first introduced to the market and was based upon different information. The DOS pump does include tubing with the unit.

Have a great day!
Answer by: Zack on Jun 13, 2017, 11:56 PM
Can I put this doser in a refrigerator? It would be to feed liquid food to my aquarium.
Question by: Justin on Jun 6, 2016, 2:39 PM
Certainly can work in cooler environments. We recommend ensuring you are following a good build thread if dosing refrigerated food. Ensure to use volute to draw food into a cycling pump to ensure no left over food remains in the warm doser tubing.
Answer by: Connor on Jun 8, 2016, 6:26 PM
In the video, it states that the rollers are only good for 600-700 hours. How much are the replacements and where can I buy them?
Question by: Chris on Mar 29, 2016, 2:55 PM
Great question!
We are not aware of the rollers available for sale from retailers at this point. For replacement rollers you will want to contact Neptune Systems directly. Feel free to let us know if you have any further questions!
Neptune Systems (Apex Controller) – 408-779-4090 support@neptunesystems.com
Answer by: Connor on Mar 30, 2016, 12:03 PM
If I set this up for auto water changes and my tank is on the main level of my house and the salt water barrel is one level down (basement) and over about 20 ft can this pump handle that pull?
Question by: Drew Halvorson on Jan 27, 2016, 8:16 PM
Great question!
The DOS has around a 20" head height, this means that you would need to place the pump either a little higher or lower in the line from the storage to the tank. It can work well however. Feel free to let us know if you have any further questions!
Answer by: Connor on Feb 4, 2016, 3:24 PM
Will this work using the apex controller gold system?
Question by: Omar Elliott on Jan 16, 2016, 12:56 PM
Great question!
This works great with the Apex controller gold! Feel free to let us know if you have any further questions!
Answer by: Connor on Jan 26, 2016, 5:31 PM