AquaIllumination HMS Multi Light Track

Choosing the right HMS Multi Light Track - Add 1.5" to your aquarium's overall length and match with the closest size that is longer than your aquarium. Example: If you have a 35.5" tank, add 1.5" to that length, giving you 37" total. The 37.5" HMS track would be the correct choice. Aquariums up to 24" - 25.5" HMS Track Aquariums 25" to 36" - 37.5 HMS Track Aquariums 37" to 48" - 49.5 HMS Track Aquariums 49" to 60" - 61.5 HMS Track Aquariums 61" to 72" - 73.5 HMS Track