100 GPD Membrane - DOW Filmtec

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100 GPD Membrane - DOW Filmtec

100% Recommend this to a friend (4 of 4)

SKU: 200133

reg. $46.99

Special Price: $39.94

In Stock: 180
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Quick Overview



DOW Filmtec 100 GPD membrane features a 98% rejection rate at 50 PSI which makes it the most commonly used 100 GPD membrane used in the aquarium industry. If you require slightly faster water production and have good water pressure this is one of the better options.


TIP -Brand new membranes will have a slight coating on them to help preserve the membrane until it is ready for use.  It is recommended to discard all water that is produced by the new membrane for the first hour of operation. 



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Full Details

DOW Filmtec 100 GPD TW30-1812-100HP Membrane Specs:

  • 100 Gallons Per Day
  • ANSI/NSF 58 listed for material safety.
  • Dimensions: 1.83" W X 11.75" L
  • Stabilized Salt Rejection (%): 98.0
  • Permeate Flow* gpd @ 50 psi: 100

 

*Permeate flow specifications are based on 500 mg/L NaCl solution at 50 psi (3.4 bar) inlet pressure, 77°F (25°C), 15% recovery after 24 hours. Individual element flux may vary ±20%.

Reviews

4 Items

  • Awesome water saver! By Dustin on 2/22/2017

    I should have done this a LONG time ago! Saves water and time!
  • Works great! By aquanut on 10/26/2016

    I purchased this to use in conjunction with the BRS 800 mL Flow Restrictor ( I purchased previously). I have a Coralife Pure-Flo II 50GPD 4 stage RO System that has a 1/4" Aquatec 8800 Booster Pump Kit installed on it. I wanted to increase my throughput though and this did the job. I needed to remove the exiting flow restrictor that I discovered was located in the 90 degree output elbow of my system and replace it with an 1/8" MPT to 1/4" push to connect elbow. My throughput has dropped from 30 minutes to 18 minutes (2 1/2 gal. jug). I'm glad it worked and thanks to BRS for carrying what I needed for my upgrade.
  • Awesome Product By TJ on 6/4/2016

    This replaced a 150 GPD RO membrane that I previous had. I had bought the unit used from someone else and I was going thru DI resin so fast it wasnt even funny. Changed out my RO membrane with this one and its working great!
  • Working well oninitial installation By James on 4/9/2016

    I have just concluded a build up of my own design system. A Staged 2X100 GPD RO Membrane system and with the addition of a booster pump these unit are performing exceptionally well.

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Product Questions

Can this 100 GPD membrane be used in other RO system? Such as the water general ro6100DINT? Thanks!
Question by: Montana Lynn on May 22, 2016 8:24:00 PM
Great question! Our RO membranes our standard 10" membranes, and should work with most 3rd party units. That said, compatibility cannot be guaranteed.
Answer by: Carter (Admin) on May 25, 2016 2:53:00 PM
will this work in your 75gallon system
Question by: Corey Bodey on Nov 6, 2016 7:23:00 PM
Hey there, thanks for reaching out to us! These membranes will work in our systems, however you would need to change the flow restrictor. Also, the 100 GPD membranes will not have the same 99%-98% rejection rates as the 75 GPD membranes. You may notice higher TDS after the RO membrane, which can result in faster DI Resin consumption rates.

https://www.bulkreefsupply.com/reverse-osmosis-flow-restrictor.html
www.bulkreefsupply.com/membrane-flush-valve.html
Answer by: Randy (Admin) on Nov 7, 2016 5:37:00 PM
Your 100 GPD filter is listed as TW30-1812-100HP. Dows sight has it listed as TW30-1812-100HR. What is the difference between the two?
Question by: Henry Bosman on Feb 2, 2016 12:40:00 PM
Great question!
There is no difference in the membrane. It appears as if the HR vs HP may be a typo on our side. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 24, 2016 4:34:00 PM
What modification/s (if any) to my system, 6 stage WS+, do I need to make if I replace both 75gpd memebranes with 100gpd.

My system holds a steady pressure of 58-60 psi. Incoming TDS is light at only 120-135.
Question by: Aaron Wasson on Sep 11, 2017 6:29:00 PM
To change up to 100gpd membranes you would just need to replace both of the membranes and the flow restrictor. Other than that the modifications should be almost non-existent.
Answer by: Charlie (Admin) on Sep 13, 2017 2:43:00 PM