Apr 28, 2020 #1 CurtnStac Active Member View Badges Joined Nov 8, 2016 Messages 289 Reaction score 233 Rating - 0% 0 0 0 Is a t5 sitting 6" above water line on a 25 lagoon too much
Apr 29, 2020 #2 J jmevox Community Member View Badges Joined Feb 14, 2020 Messages 25 Reaction score 18 Rating - 0% 0 0 0 Only one way to tell. Rent or borrow a par meter
Apr 29, 2020 #3 X-37B Fight The Good Fight View Badges Reef Tank 365 Hospitality Award My Tank Thread My Aquarium Showcase Joined Sep 10, 2018 Messages 9,203 Reaction score 15,967 Location The Outer Limits Rating - 0% 0 0 0 I have 8 T5's 4" off the surface of my 120 with no issues. My 12" deep frag tank the 6 T5's are hung 10" off the surface with no issues.
I have 8 T5's 4" off the surface of my 120 with no issues. My 12" deep frag tank the 6 T5's are hung 10" off the surface with no issues.