Aug 30, 2017 #1 mpjones Community Member View Badges Joined Jun 20, 2013 Messages 86 Reaction score 9 Location Neenah, WI Rating - 0% 0 0 0 How long do you run/recommend to run your lights during the day?
Aug 30, 2017 #2 Crabs McJones Regional Reef Manager (AKA Revhtree's Boss) View Badges Staff member Super Moderator Ultimate Member Reef Squad Reef Squad Leader Partner Member 2026 Excellence Award Reef Tank 365 R2R Secret Santa 2024 R2R App User Article Contributor Hospitality Award Reef Tank 365 Boss Wisco Reefers My Aquarium Showcase Joined Jul 24, 2017 Messages 33,595 Reaction score 153,879 Location Wisconsin Rating - 100% 3 0 0 It's going to vary depended on your corals, but most people do either a 10 or 12 hour day.