• PLEASE create your market listing (new for sale thread) HERE in our new marketplace! The new marketplace will allow you to create listings based on criteria that will help those searching for aquarium products and livestock find your items easier. You will also be able to accept online payment or your own method of outside payment. The new market will also allow you to pick and choose who you sell to easier, keep track of your products, give and receive feedback scores and much more! Thank you. For more info please see this thread or go directly to the Beta Market here.

AI HMS Dual Arm and 72" Rail mount kit



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Mar 6, 2019
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Grand Rapids, MI
AI HMS 72" (73.5") Horizontal Rail

Arm Tank Mounts, and Fixture Brackets

Lights are not included :)
Railing system used for 4 months. Decided to go with t5 hybrid. 125 shipped.

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Do you take notice when your coral starts stretching or shrinking?

  • YES and usually there is a probem

    Votes: 119 60.1%
  • YES but I never have a problem

    Votes: 51 25.8%
  • NO

    Votes: 15 7.6%
  • Other (please explain)

    Votes: 13 6.6%