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AquaFX Barracuda Glacial RO/DI System - 100GPD


Starting at $23/mo with . Learn more

Item #: 5V09247

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Not all RO systems are the same! Check out this review of the AquaFX Barracuda Glacial RO/DI system.

AquaFX Barracuda Glacial RO/DI System - 100GPD

Made in the USA!

The AquaFX Barracuda RO/DI is very popular with residential reef enthusiasts, engineered to meet the specific needs of your top off and make up water. The AquaFX Barracuda is offered in several flow rates from 50 GPD to 300 GPD (Gallons per Day) and is recognized by About.com for being the #1 pick for RO/DI`s within the industry.

Features of the upgraded Glacial Model:
  • Automatic Shut-Off Valve
  • Quick Connect Check Valve
  • Manual Flush Kit
  • Inline TDS Meter
  • Pressure Gauge

  • AquaFX Premium 1 micron Sediment
  • AquaFX Carbon Block
  • AquaFX TFC RO Membrane (Always made in the USA - just another quality difference from us and `them`)
  • AquaFX Mixed Bed Color Indicating Zero TDS DI resin
  • Heavy Duty Aluminum Mounting Bracket
  • Quick Connect Fittings standard (no finicky compression fittings)
  • Every AquaFX system is hand built in-shop for your needs, never outsourced. Allowing for superior quality control during the manufacturing process.

What`s Included:
  • 1/4" Hose Bib Adapter
  • AquaFX TFC RO Membrane
  • 10" Canister Filter Wrench for easy filter changes
  • 6 feet of supply tube, drain tube and product tube
  • AquaFX Instruction manual

Manufacturer information

AquaFx manufactures water treatment systems in the USA in Winter Park, FL. They maintain a shop that puts Americans to work! They build some of the finest reverse osmosis systems we have seen along with a plethora of useful upgrades and replacement parts. They have over 45 years of water treatment engineering experience to help you produce pollutant-free water for your freshwater (RO) or saltwater (RO/DI) aquarium.

5 Stars


Reviewed on
November 20, 2020

Yes, I would recommend this.

First RO/DI

Pros: Works well. Lots of tutorials online

Cons: DI gets used up faster than expected but that is probably the waters fault

This works well. When I got it I was a little lost. There are plenty of videos online that explain how to set it up and use it. So far so good

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Reviewed on
August 21, 2020

No, I would not recommend this.

Disappointing RO Membrane and Customer Service

Pros: Good looking unit, good fit and finish, comes assembled

Cons: Included RO Membrane is faulty, No Response from AquaFX, I have to buy a replacement RO Membrane

Fit and Finish are very good, initial impressions were very good. But I quickly realized the RO Membrane is faulty or bad quality. It is supposed to remove 90% of TDS, leaving the DI Resin to remove the remaining 10%. This membrane is only removing 70% of TDS. I have removed and reseated the membrane to make sure it's in right. I thought it could be low pressure causing the inefficiency, so I purchased a booster pump. This barely helped, lowered the product TDS by only 5. I emailed AquaFX almost 3 weeks ago with no response, and also left a message on their forum on R2R with no reply. However another user mentioned having the same problem. The inefficiency of the RO Membrane burned through DI Resin extremely quickly, which I had to buy more of, and I bought a booster pump which wasn't the root of the problem, and now I have to buy a new membrane. So all in all I have doubled the purchase price of the system.
Also the instructions that come with the unit are extremely minimal and difficult to understand for a first time RODI user, as well as the instructions for their Float Switch which I also purchased. Luckily I found a video online that explained how to use it. This company is based in Florida and I was happy to support an American company but the lack of clear instructions and no customer service replies are very disappointing and will make me hesitant to recommend them or buy from them in the future.

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Reviewed on
May 23, 2020

Yes, I would recommend this.

A quality RODI system

Pros: Quality build, constructed and assembled in Winter Park, FL; pre assembled; built in TDS meter

Cons: Only one type of supply connector included

This is a very well made system, built here in Florida. The instructions are simple and it already comes mostly pre-assembled. Just mount it where you want and install the supply and drain lines. Best part is Marine Depot and my LFS sell the filter elements and replacement parts.

Only con I can think of is that I do wish that it came with more than just the hose bib supply line fitting. but I made it work with a quick trip to the hardware store.

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Reviewed on
September 18, 2019

Yes, I would recommend this.

Love it!

Pros: All in one unit ready to go from the box.

Cons: Would prefer it to come with a float valve.

Was in the market for a RO/DI unit and this unit does not disappoint! It works just like it should, definitely a high quality product! Best part Marine Depot price matched and gave me a great deal! Will definitely be shopping more with Marine Depot!!

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Reviewed on
September 09, 2019

Yes, I would recommend this.


Pros: All in one system, already assembled

Cons: Had to disassemble to make it flow left to right, just made the tubes longer and looped it around to avoid the hassle

Great product, already assembled, hook the tubes up and go

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Reviewed on
January 13, 2019

Yes, I would recommend this.

Works Great!

Pros: Works Great!

Cons: Needs a float valve

This system works great! It has an attached TDS so you can measure the TDS before the water goes through the DI membrane and after it does. I have flooded my basement/utility room MULTIPLE times already so you definitely need a float valve!!

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adrian kroulik

Reviewed on
October 03, 2016

Yes, I would recommend this.


Easy Love it . Just wish it came with a float valve

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