EcoTech Marine

RMS XR15 G4 Tank Mount Kit

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Discontinued by Bulk Reef Supply
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Easily mount your Radion XR15 directly to your standard or rimless tank with the EcoTech Marine XR15 RMS.

  • Mounts a single Radion fixture
  • Position your Radion with the sliding extension bar
  • Multiple extension rails included in kit for different tank sizes
  • X-bracket rotates for parallel or perpendicular mounting
  • Innovative clamp system
  • Cord Management


Not everyone can hang the EcoTech Radion from their ceiling. For this reason, EcoTech thoughtfully created the RMS or Radion Mounting System for a easy to install and secure mounting system for the XR15 lighting fixture.


  • Sleek design made from aluminum
  • Easy set up
  • Sturdy - won't bow
  • Adjusts for fine tuning
  • Grooves to hide cords
Product Specifications:
Dimensions of clamp: 3.5" x 3.25" x 3"
Clearance needed above RMS: 12"


RMS Instructions Manual

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Product Questions

Hello I'm trying to find out how high above the top of a tank when mounted these are? I saw it said 12" clearance but not sure if that's the measurement about tank or total height of the arm. Thanks
Question by: KYLE HAYES on Jan 7, 2019, 11:57 AM
Thanks for reaching out to Bulk Reef Supply! The 12" clearance it mentioned is what the unit itself needs to fit on the tank. The actual light source should be roughly 10" off the water line once mounted on the unit. I hope this is helpful!
Answer by: Ashley on Jan 7, 2019, 12:46 PM
I have these with two Radion XR15's. I want to add T5's would these brackets hold the 36" Hybrid T5HO 4x39W Fixture with LED Mounting System - Aquatic Life??
Question by: John on Nov 17, 2017, 8:36 AM
Hey there,

I'm afraid that this tank mount would not likely work with the hybrid fixture. The mounting height and reach of this arm is not likely sufficient to clear the fixture, and in addition the extra weight is probably more than these mounts are designed to support. There is also the issue of the added strain on the rim of the tank if it were forced to support that added weight. I would seek to suspend this fixture either from the ceiling, wall, or aquarium stand, and avoid mounting to the rim.

Happy reefing!
Answer by: Zack on Nov 17, 2017, 10:10 AM
Will this work with 2" euro bracing?
Question by: Justin on Apr 13, 2017, 11:13 PM
Hey there,
I'm afraid this configuration is not compatible with Euro-braced tanks.

Answer by: Zack on Apr 25, 2017, 8:35 AM
Can you tell me what the max opening of the clamp is?
Question by: Donald Bowling on Apr 7, 2017, 7:22 PM
Hey there,
The RMS tank mounts can be expanded to clamp onto a rim up to about 2" thick.

Have a great day!
Answer by: Zack on Apr 21, 2017, 9:37 AM
Will the xr15 mount fit over a Coralife biocube rim with the hood removed?
Question by: Tyler Pendergrass on Jan 9, 2017, 11:26 PM
Great question! The spacer is expandable and will be able to clip around the edge of that tank, with the hood removed! :- )
Answer by: Randy on Jan 12, 2017, 1:11 PM
Are the XR15 and XR30 mount compatible/interchangeable between the two model lights?
Question by: Jose C Hernandez on Dec 2, 2016, 7:50 AM
Great question! They are not interchangeable. You will need the XR15 mount with the XR15 light and the XR30 mount with the XR30 light. :-)
Answer by: Randy on Dec 2, 2016, 8:53 AM
Would the grips on this mount fit over a tank with the black brace, like a breeder tank?
Question by: Jose Hernandez on Nov 30, 2016, 1:38 PM
Great question! This will fit over most standard rimmed tanks. :-)

Answer by: Randy on Nov 30, 2016, 2:57 PM