We hooked Dave's 8 gallon tank up with one of the new EcoTech Radion XR15w's as well as a sample RMS (Radion Mounting System)! We tested the light and RMS out on a variety of different tanks around the office, and honestly it looked pretty sleek on all everything from the 8g to our 120g lobby tank. As for functionality, the XR15 is more or less half of a XR30; the XR30 has two LED pucks and the XR15 has one. Both have all the same popular color channels like cool white, deep blue, blue, green, hyper red, yellow, indigo and UV. The compact, less intense light of the XR15 makes it a great fit for a variety of uses, such as cube tanks and even larger tanks. Since it's not uncommon for those with larger tanks with lower light demanding corals (like LPS and softies) to be using 2 XR30's at 50%, it stands to reason that you could opt for 2 XR15's at 100% and save a couple hundred dollars. Overall, the XR15 is a pretty sweet fit for small tanks like Dave's! If you have a small tank, let us know what your favorite lighting solution is for it. Connect with us on Facebook: http://www.facebook.com/BulkReefSupply Check out our pics on Instagram: http://instagram.com/bulkreefsupply *Legal Stuff* The purpose and content of this video is to provide general information regarding the products and their applications as presented in the video. Aquatic Sales Solutions, Inc. and its officers, directors, employees and agents disclaim all express or implied warranties, in any way, related to the products and their application as presented in this video, make no representation or warranty regarding the products and the application as presented in this video and shall not be liable for any direct or indirect losses or damages of any type, including but not limited to punitive damages, or from personal injury or death resulting from or in any manner related to the video, and the products in and contents of the video. The viewer expressly agrees that aquatic sales solutions, inc. And its officers, directors, employees and agents shall not be liable for any damages or losses related to the products in and content of the video and hereby agrees to hold the foregoing harmless from any such losses or damages.