You cannot have a thriving reef tank without understanding the role of light! In today's video, join Ryan and Matthew as they go through 11 saltwater aquarium lighting science topics that we wish every hobbyist understood. We're covering it all, from spectrum to coral florescence, and you can check it all out right here! #BRStv Find Bulk Reef Supply on Facebook, Instagram, TikTok and more! ➡ AskBRStv Facebook Group : https://brs.li/JoinAskBRStv ➡ Bulk Reef Supply Instagram : https://brs.li/BRS_Instagram ➡ BRS on TikTok : http://brs.li/BRS_TikTok 00:00 Introduction 00:08 Direct Answer 00:30 Why Horizon to Horizon? 02:14 How Do I Create Horizon to Horizon Lighting? 05:46 Why Emulate the Sun? 07:40 How Do I Create That Wide Blue Spectrum? 09:19 Why Does PAR Matter? 10:43 How Do I Tune PAR? 12:24 Why is Returning the PAR Meter, Peter Then Keeping it? 15:00 Why Not the Green, Yellow, Orange and Red Spectrums? 16:17 Why Do Some Corals “Pop” Under Blue Light? 17:57 What Promotes Florescence? 19:18 Matthew’s Takeaway 19:40 Ryan’s Takeaway *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. Aperture LLC. 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.