EcoTech Marine

RMS XR15 G5 & G6 Tank Mount System

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Backwards compatible with all generations of Radion


Single Fixture Radion Tank Mount - Arm Kit

Hanging your EcoTech Marine Radion from the ceiling may not always be practical or possible. For this reason, EcoTech thoughtfully created the Radion Mounting System (RMS) for a simple and secure mounting system for the XR15 lighting fixture. Easily mount your Radion XR15 directly to your standard or rimless tank with the EcoTech Marine XR15 RMS.



  • Mounts a single Radion fixture
  • Backwards compatible with all generations of Radion
  • Position your Radion with the sliding extension bar
  • Sleek design
  • Easy set up
  • Sturdy - won't bow
  • Innovative clamp system
  • Integrated Cord Management
  • Aluminum construction
  • Adjusts for fine tuning
  • Grooves to hide cords
  • Multiple extension rails included in kit for different tank sizes
Product Specifications:
  • Maximum Tank/Trim Thickness: 1-3/8"
  • Dimensions of clamp: 3.5" x 3.25" x 3"
  • Clearance needed above RMS: 13"
What's Included?
  • RMS XR15 G5/G6 Tank Mount System
More Information
UPC 653341193322
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Product Questions

Will the mount/brace work for a tank with 1/2” glass thickness?
Question by: Chadd Mccall on Jun 16, 2023, 3:38 PM
The maximum thickness this mount can use is 1 3/8" and can go down to 1/2" as needed.
Answer by: Scott F. (BRS Staff) on Jul 28, 2023, 10:49 AM
Will this mount/brace work for an XR15 Gen4 light?

If not, do you guys still sell the appropriate mount/brace for an XR15 Gen4?
Question by: Joe on Feb 6, 2023, 4:57 PM
Thanks for the question! This will work with all previous radions!
Answer by: James Johnson (BRS Staff) on Feb 24, 2023, 2:14 PM
How far can the mount extend?
Question by: Tim Attel on Jun 18, 2022, 4:46 PM
Thank you for asking. The front edge of the Xr15 will extend out 14 inches from the inside edge of the tank wall.
Answer by: Chad (BRS Staff) on Jun 28, 2022, 7:59 AM
How far will the light stick out from the back of the tank? My tank is 24 inches wide, will the light on this mount reach the middle of the tank?
Question by: Beau Studebaker on May 6, 2022, 11:17 AM
Including the locking nut, you will need at least 1.5" of space behind the tank to accommodate the XR15 mounting arm (https://www.bulkreefsupply.com/multi-light-rms-arm-kit.html). The fixture should be able to place the light above the center of that tank.
Answer by: Scott F. (BRS Staff) on May 10, 2022, 12:30 PM
How thick is the part of the mount bracket that's on the inside lip of the tank. I have just over 1/2 inch between my tank and skimmer where it needs to mount.
Question by: Steve on Nov 18, 2021, 4:05 PM
Hello there,

You would need approximately 2.5" clearance for the part of the clamp that sits inside the tank. Thanks for your question.
Answer by: Christian (BRS Staff) on Nov 30, 2021, 2:54 PM
Hello, I am considering mounting these on a standard tank that has a canopy. The canopy is much taller than standard, but I need to know how tall these are from the rim mounting point to the very top of the G5 X-bracket. I need this measurement to see if they will fit within my canopy. Thanks!
Question by: Paul R on Sep 14, 2020, 8:50 AM
That is approximately 10 1/4".
Answer by: Matt Lucero (BRS Staff) on Nov 5, 2021, 9:04 AM