BRS Drew's Doser Peristaltic Dosing Pump

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  • BRS Drew's Doser Peristalic Dosing Pump

BRS Drew's Doser Peristaltic Dosing Pump

96% Recommend this to a friend (24 of 25)

SKU: 202306

reg. $99.99

Special Price: $89.99

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Quick Overview

Drew's Dosers feature a low flow rate of about 1.6mL per minute that makes them perfect for dosing 2 Part. Two Drew's Dosers are needed to dose 2 Part. These are the pumps that we use on our own systems.


  • Will not back siphon
  • Super quiet
  • 1 Year Bulk Reef Supply warranty
  • Includes 10ft of tubing, directions and 100mL measuring cup for calibrating


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Product Questions

Hello. I want to know if I can use this pump to dose kalkwasser? I have a 18x18x18 rimless cube. Thanks.
Question by: EDWIN on Sep 30, 2013 3:27:00 PM
Hi Edwin,
This pump wouldn't be a very good choice for kalk as it isn't meant to run for that long. For kalk you would want to look at something like the 50mL doser which is faster and wouldn't need to run as long.
http://www.bulkreefsupply.com/brs-top-off-doser-50-ml-per-minute.html
Answer by: Bulk Reef Supply on Sep 30, 2013 3:27:00 PM
what timer works best with it ??
Question by: fred on May 7, 2015 6:55:00 PM
Great question, One basic timer we would recommend is the EcoPlus Dual Digital Timer
it is able to handle up to 2 pumps and has independently controlled outlets.

http://www.bulkreefsupply.com/titan-controls-apollo-9-dual-digital-timer.html
Answer by: Bulk Reef Supply on May 8, 2015 10:01:00 AM
Can the flow rate go down to 0.2mL/min?
Question by: Ling on Sep 24, 2013 11:01:00 AM
Hi there,
The actual flow rate on the pump is not adjustable. It will always flow at 1.5mL per minute that it is running. You control how much solution you are dosing by adjusting your timer and thus how long the pump itself runs for. If you want 15mL, you would run it for 10 minutes. If you wanted .75mL you would run it for a half a minute.
Answer by: Bulk Reef Supply on Sep 24, 2013 11:01:00 AM
I have the inline going clockwise as it made since that it would circle through then dose the tank-is that correct? I feel stupid but not sure. :)
Question by: Claralice on Jun 14, 2014 1:36:00 PM
Hey Claralice,
That is correct, it should go in the tube on the left and out the tube on the right (assuming the tubes are pointing towards you).
Answer by: Bulk Reef Supply on Jun 14, 2014 1:36:00 PM

Full Details

The flow rate of a Drew's Doser is intentionally 1.6mL per minute which makes it too slow for most auto top off needs. With the addition of an inexpensive digital timer Drew's Dosers will provide a fully automated calcium and alkalinity dosing solution. Two Drew's Dosers are necessary to dose 2 Part. The tubing set typically lasts 1-2 years depending on amount of use. Each Drew's Doser includes 10ft of tubing. Please note that the flow rate of each pump will vary slightly and should be tested before use to determine the exact flow rate. BulkReefSupply.com offers a full 1 year replacement warranty on all Drew's Dosers.


We do not suggest using this pump for auto top off systems.

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Reviews

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  • Dosing made easy By hans on 10/17/2013

    I have 2 of these for calcium and alk. I have them hooked up to my Apex controller and it makes dosing easy. Much more consistent way of dosing compared to hand dosing. Set and forget. Make sure to check Ml per minute, mine were a little under what it was rated. Other than that no complaints here
  • Doser and levels are in check for last 6 months. By SloppyWhenWet on 10/9/2013

    I use two drew dosers to maintain my levels with 2 part. Working well and only time will tell but so far so good.
  • glad I bought them ! By maria on 6/13/2013

    Bought two of these and so happy I did. No guessing pretty much just set
    and forget. Adjustments will need to be made over time as corals continue to grow and demand increases, but what a pleasure to know the tank is being dosed the exact amount everyday !! Sorry I waited so long !!
  • Best Dosing Pump I Have By Peter on 5/6/2013

    I would highly recommend the Drew's dosing pump. The tubes are better with the BRS dosing pump which I have two of, but this is a much better pump in my opinion. I use this for the calcium portion of my dosing. If I was doing it over I would buy this pump for all of my dosing pumps.
  • Great Pumps By Terry on 2/23/2013

    At first I wasn't going to spend the extra for these pumps but now that they are up and running, I'm glad that I did. Great pumps. Spend a little more for these pumps and don't worry about if you made the right decision or not.
  • Short cords By MAtt on 6/2/2012

    The cords could be a bit longer. Its much better to wire tie than to try to stretch a cord! Otherwise they seem ok, but too new to tell.
  • Excellent product By James on 3/14/2012

    I've used the Drew's Doser for over 2 years. I use it to dose Soda Ash daily in my 120g sps dominated reef display tank. It's been very reliable and is easy to operate.
  • just installed great doser By reefez on 3/11/2012

    I just installed two of these dosers very easy to do W/reefkeeper lite only down side for me is that both dosers had different out puts .So a little timer management and I am good to go. Very happy with my choice so far.
  • Makes life much easier. By Kevin on 9/27/2011

    Bought two of these along with the Eco Plus Dual digital timers here to set up my 2 part dosing system. The pumps work quietly and accurately. The corals in my tank look so much better now that Calc/Alk levels are stable. Due to the initial up front cost, I was a bit hesitant to set up this system. Using the bulk supplements however saves alot of money long term. (Compare a bottle of prepared liquid Ca at $12-15ea to the 7lbs of powdered for the same price which makes 8 gal. of prepared liquid Ca.) The pumps feel solid and run smooth and quite.
  • great little pump for dosing By mjd on 7/4/2011

    Switched to these pumps after having troubles with the BRS dosers (read review there), and have never been happier! These are consistent, nearly silent, and haven't let me down in over 18 months of dosing. I am going to get a third to dose magnesium along with the 2 part!
  • Great pumps By Lance on 6/14/2011

    I have a number of these and they work great!
  • accurate dosing By Gary on 5/13/2011

    timed and saw 1.5ml/min dosing from both pumps, consistent and equal dosing. working great for dosing 2 part

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