BRS 4 Stage Value Plus RO/DI System - 75GPD

BRS 4 Stage Value Plus RO/DI System - 75GPD (RO/DI) Product Features
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BRS 4 Stage Value Plus RO/DI System - 75GPD

98% Recommend this to a friend (104 of 106)

SKU: 200417
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Quick Overview

Why does BRS recommend this?

If you are on a budget and want a great RODI system at an affordable price, we would always go with the BRS 4 Stage Value Plus RO/DI system.  With the included pressure gauge, and TDS meter it takes a standard RODI system that you are hoping and guessing makes quality water to knowing that it is making water suitable for your aquarium.  With the Value Plus RODI system you will know that your RODI system is making quality water, as well as when to service, and maintain the filters.  For well water, and most city water applications that are treated with chlorine the 4 Stage Value Plus System is our ultimate recommendation.

BRS 4 Stage Value Systems are perfect for reefers who have water treated with chlorine, low volume chloramines and most well water. If you are unsure what your water is treated with try a quick test strip or checkout the BRS Universal Line which treats all types of water for virtually any size tank and you know you are covered.

Benefits of Value BRS RO/DI Systems

  • 99% rejection Dow membrane - NSF certified NSF Certified

  • BRS Universal carbon block - NSF certified NSF Certified

  • GE Purtex sediment filter - NSF certified NSF Certified

  • US Made Double O-ring Mur-Loc Fittings

  • Includes additional accessories and connections

  • Includes chlorine/chloramine test strips

  • Free Shipping on all systems

  • Lifetime warranty


BRS 4 Stage Value Plus RO/DI System Instructions


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Product Questions

After the holidays where over i picked this up for my tank that was in extreme need of it for the fact that the city water in Baltimore is very dirty and i have to say it works amazingly. I can see the difference from my coral to the now vanishing algae i had growing all over. My question is that i have my RO/DI system hooked up to a utility sink that has a lot of pressure so i don't really have a limit with the pressure but i wanted to know if there is an optimum level/ how much is to much pressure?
Question by: Andy Coyer on Jan 26, 2016 2:48:00 PM
Great news that the unit is working great! the ideal pressure will range between 50-75 PSI for efficiency and life of the membrane. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 3, 2016 2:47:00 PM
How often do you replace the filters and can i purchase them
Thank You Manny
Question by: Manny on Mar 17, 2016 6:42:00 AM
Great question!
The filters changing time will depend on water quality however the bottom 3 filters (Sediment, Carbon Block, and DI resin) typically will last 6-9 months and I have included the kit below.

Additionally the RO membrane will need to be replaced less often closer to 2 years.
Answer by: Connor (Admin) on Mar 18, 2016 9:29:00 AM
With the 4 stage value plus ro/di unit i'm hearing you shouldnt drink the water because of the di,is the waste water before the di and is that safe to drink
Question by: Corey on Feb 8, 2016 6:00:00 PM
Great question!
The waste water will have higher TDS than your standard tap water and ideally it would be safer to drink your tap water over the waste water. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 10, 2016 1:47:00 PM
Does the 4 stage ro/di have a valve so you can use either ro or di ?
Question by: DANIEL BOUGH on Jan 27, 2016 3:09:00 PM
Great question,
Our units do not have the built in ability to split. This can be achieved by adding a John guest 3 way ball valve.
Answer by: Connor (Admin) on Feb 3, 2016 6:40:00 PM
What is the amount of waste water per ro/di gallon produced?
Question by: Dru on May 11, 2016 6:23:00 PM
Great question! This unit will produce roughly 4 gallons of waste water for every 1 gallon of product water collected when running at 65PSI.
Answer by: Carter (Admin) on May 11, 2016 6:40:00 PM
Is there a fitting I could get that would attach to my water line from the valve to the washer?

Also does it come with a float valve?
Question by: ramon rivera on Jan 29, 2016 9:49:00 PM
Great question!
To connect to a washer in many cases an adapter such as the garden hose utility sink adapter can be used. The 4 stage system will not come with a float valve however it can be purchased separately. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 9, 2016 4:03:00 PM
I have the BRS 4 Stage Value Plus RO/DI System - 75GPD with chloramine block. Prior to our home move, we had a water pressure just over 60 PSI. Our new home now looks to have a PSI just over 40. I have seen that the recommended water pressure should be 60 PSI. How will 40 PSI affect the water quality out of the RO/DI? If it is a negative result, do you have any suggestions to increase pressure going into the unit? Thanks in advance for any information on this.
Question by: Bob on Nov 3, 2015 8:10:00 AM
Great question!
40 PSI is right at the low end of the PSI rating for our systems. Our highest recommendation is to give the permeate pump which uses the waste water to increase the flow into the system. I have included a link below, Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Nov 3, 2015 3:41:00 PM
What is the maximum pressure that this RODI system can handle? I had low pressure (35-40psi) and I added the booster pump which increased the pressure to around 85-90psi. Not sure if its okay.

Thank you!
Question by: Sumant on Jan 18, 2016 4:34:00 PM
Great question!
The maximum pressure recommended is in the high 70-80s 65 is often the most optimal for the membrane. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Jan 26, 2016 7:24:00 PM
After running the RODI, is it okay to leave any left over water in the tubing or is there a way to clean them?
Question by: Kai on Feb 1, 2016 10:26:00 PM
Great question!
It is certainly okay to leave water in the housing and tubing however if storing for use longer than 1 month you may want to inspect for bacteria growth or other issues. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 24, 2016 3:59:00 PM
Is there a way to dial down pressure using the flush kit ball valve let's say if it is reading 100 psi with a booster pump could you open the ball valve to get the pressure to 80psi to be safe for most homes?
Question by: James Griffith on Apr 18, 2016 8:13:00 PM
Great question.
If you have a booster pump and the PSI is too high you can adjust the booster pump with an allen key to reduce the PSI. It is not recommended using any ball valve to adjust pressure. Feel free to let us know if you have any further questions.
Answer by: Connor (Admin) on Apr 26, 2016 12:20:00 PM
I would like to know if the ro/di water comming out of the blue hose is recommendable for human consumption? If not, how can I get only ro water out of the system?
Question by: Edson Jerez on Mar 24, 2016 10:01:00 PM
Great question!
Our units with TDS meter, pressure gauge and DI are not recommended for human consumption as they are not NSF certified. If you remove the TDS meter and pressure gauge you can tee off the line leading to the DI resin from the RO membrane to get RO only water. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Mar 25, 2016 4:03:00 PM

Full Details

All BRS RO/DI systems reflect the latest in reverse osmosis technology with updated filters, components and design updates.


Value systems:Designed to treat for chlorine, low volume chloramine usage and most well water*. Value systems are compact, portable, upgradeable and most importantly affordable.


Universal systems: Designed to be best in industry filtration for chloramines, chlorine and well water as well as cover the widest array of contaminates. This is the ideal solution if you simply want to know you have the best filtration available.


*If you are unsure if your city uses chlorine or chloramines you can use a LaMotte Insta-Test Free & Total Chlorine & Chloramine Test Strip or call your city's water treatment facility. If you don't want to bother with that, get the Universal system and know you are covered. Over 40% of municipal water supplies are now treated with hard to remove chloramines. This number is growing everyday so we recommend to the Unversal systems. If you select a Value system today, it is future proof and fully upgradeable. We offer Value to Universal Upgrade Kits which are super easy to install.


BRS 4 Stage Value Plus RO/DI System Instructions


The Value Plus model is our most popular in this series; it includes a TDS meter and pressure gauge to monitor and ensure system performance as well as a flush kit to protect and prolong membrane performance.


4 Stages of Filtration:

  • Purtrex 1 Micron Depth Sediment Filter NSF Certified
  • BRS 1 Micron Universal Carbon Block NSF Certified (35,000 Gallons Chlorine / 3,500 Gallons Chloramines)
  • 75 GPD Dow Filmtec Membrane NSF Certified
  • Pre-filled Single Deionization (DI) stage with refillable cartridge


Parts Bag Includes:

    • Filter wrench to tighten and loosen canisters
    • Chrome faucet connector with adapter rings to make a non-permanent connection to kitchen sink
    • Utility sink/garden hose adapter to make a non-permanent connection to garden hose or laundry tub
    • Insta-Test Free & Total Chlorine Strips to test water for proper filter replacement


Standard Features:

      • Automatic shut-off valve
      • Mur-lok Push Connect dual EPDM O-Ring fittings
      • 10 Ft Each of 1/4" Blue, Red and Black Tubing
      • All BRS Value Reverse Osmosis units exclusively feature NSF-certified BRS Universal Carbon Block Filters with 30% more carbon than standard blocks, NSF-certified Purtrex depth sediment filters and American made NSF-certified DOW reverse osmosis membranes
      • Includes Total and Free Chlorine test strips to help identify if your city is using chlorine or chloramines
      • Limited Lifetime Warranty which includes unlimited support via chat, phone or email with our WQA certified customer service staff
      • Qualifies for free shipping
      • Dimensions: 16" x 7" x 15.5"


Quick Compare - BRS Value RO/DI Systems

 BRS 4 Stage ValueBRS 4 Stage Value PlusBRS 4 Stage Value Water Saver Plus
Price $149.99 $199.99 $239.99
Gallons Per Day 75 GPD 75 GPD 150 GPD
Sediment Filter Purtrex 1 Micron Depth Sediment Filter  Purtrex 1 Micron Depth Sediment Filter  Purtrex 1 Micron Depth Sediment Filter 
Carbon Block BRS Universal 1 Micron Carbon Block  BRS Universal 1 Micron Carbon Block  BRS Universal 1 Micron Carbon Block 
Membrane 75 GPD Dow Filmtec Membrane

75 GPD Dow Filmtec Membrane

(2) 75 GPD Dow Filmtec Membranes

Deionization Single DI Stage with Refillable Cartridge

Single DI Stage with Refillable Cartridge

Single DI Stage with Refillable Cartridge

Glycerin Filled Pressure Gauge  

Flush Kit  
Dual Inline TDS Meter  
Water Saver Upgrade Kit    



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  • Great Product for the price By Harold on 5/10/2016

    Over the past six years I have gone out to purchase RO/DI. I found a good price but it was really getting old carrying buckets back and forth. I purchased the 4 Stage Value Plus. The next week I purchased the water saver. This is the best purchase I could have made. Not only I am doing everything in-house, the product comes with plenty of lines for the waters plus color coded. The fittings are very easy to put together and actually with the original unit it was plug and play. By the video on the installation of the water saver it went like clock work. This is a quality product and with the meter and gauge there is no guessing. It was packed super safe for shipping and you can see that care was put into it. I would advise the water saver due to the amount of waste water when filling. This is a couple of hundred dollar purchase but a must. You know the water quality and with the fittings given it can be hooked up on any faucet or water line. I do not know much about many other units but this is the one that give it all for the price. You also do not have to mount this on the wall if you cannot. It takes about an hour for five gallons with the water saver. The water is more than crystal clear. BRS also took the time to make great videos explaining the RO/DI systems along with how to hook up the water saver if you purchase it later.
  • Great System - Even Better Customer Service By OnalaskaBill on 4/30/2016

    System was shipped fast and arrived in perfect condition. Excellent packaging.

    Easy to connect to the sink in the bathroom near my aquarium. I use a 32 gallon Brute container on wheels from Menard's. This system is exactly what I needed to save me the trips to the LFS for RODI water.

    I am getting just over 2.5 gallons per hour, 62 GPD with 60 PSI on the built in pressure meter. I let it work for 8 hours at night and get 20 gallons for my water change.

  • Great product & Great Price By taotaomona77 on 4/22/2016

    First time owner of a RODI filter, so this is based on what I seen, read, and have experienced with this unit. The unit comes with very easy to understand instructions, a variety of connections for your water source, and with the added features of a TDS meter, flush valve, and good length of hoses - you will not be disappointed! I researched other products and manufacturers, and this gave me everything I needed to start without having to purchase additional stuff. The 75 GPD rating is perfect for me and I love that I have the option of adding the water saver in the future to conserve my water. Great product and great service by BRS!
  • A must have By Tom on 4/8/2016

    I bought the 75gph 4 stage value plus kit. What a great RO at a great price! Professional looking unit with everything you need! What a bonus for the dual TDS and flush kit! And its all hooked up and ready to use! No extra plumbing work to do. I love it! PLUS!! I must add the quality packing job! Its this attention to detail that keeps me coming back.
  • Great Unit By Robert on 4/7/2016

    1st RO-DI system, arrived ready to use right out of the box, was able to set up and start using in minutes. Working flawlessly so far. Great unit, great value, pure H2O.
  • A must have By XBonez on 4/2/2016

    A Must have. If you are at all serious about running a reef tank, this should be your first purchase. Works perfect.
  • Excellent By Ivonne on 3/31/2016

    Came with a broken fitting but BRS sent me a replacement. Works well. I wish I had bought it two years ago. Verry happy with it.
  • I like it. By Nik on 3/29/2016

    Good product. Good price. Handles all my needs for my 40gal with sump and quarantine. Definitely recommend this product to anyone!
  • Been using them for Years By Q on 3/19/2016

    I tend to try to replace my RO system every couple of years. (Just something i do) but i've always gotten replacement parts or new systems with good results.
  • Easy set up By dochoot on 3/3/2016

    Great product out of the box. Up in running in minutes, no leaks, gauges working.
  • Hasn't let me down yet! By Andrew on 3/2/2016

    Great system for the price!! For the couple months I've owned this ro/di system, it's hasn't let me down yet. I've only changed the resin out after 2 months with would be over 600 gallons going though. I would recommend the BRS 4 stage value plus to anyone looking for a great ro/di system.
  • Very Impressed By Sean on 2/27/2016

    I bought this mainly because I trust Bulk Reef Supply to provide high quality products, and I was tired of driving and paying for water at a LFS. When I unboxed this RODI system, it was completely assembled. There was literally only one decision I needed to make, and that was which water supply adapter I wanted to use. The kit came with a faucet adapter and a hose barb adapter. Since I was completely nerding out on it, I took over our guest bathroom and created a RODI water making room, lol.

    My water pressure is slightly low from the recommended PSI (I am on a well) I will be purchasing the booster pump in the future to prolong the systems life and produce the rated water flow. The TDS meter is nice to have to ensure the product water is at 0.

    All in all, I am very pleased with this product, and very impressed with the quality of materials. It produces great quality water and I don't have to drive and pay for RODI water anymore! The peace of mind of knowing I have water on hand and I can make more if I need to, especially if something goes bump in the night and I need water!

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