Lightning height above water?

grtmmt · 12/24/2020, 08:29 AM

I have 3 AI hydra 26s and 1 AI hydra 32 over a 8foot long tank that is 2 feet deep and 2 feet wide. Tank is lps dominant but I have some sps and would like more. Right now I have the lights 5.5 inches above water. There is no light spilling outside the tank. To low?

Vinny Kreyling · 12/24/2020, 12:22 PM

BRS did a lot of testing on lights.
Check You Tube, the Hydras were included.

Imaexpat2 · 12/24/2020, 02:56 PM

If you dont have a PAR meter...Id definitely highly recommend the BRS Lighting videos 8 days a week!!! I have found their extensive work takes a lot of the guess work out of the equation and gives you the right amount of PAR and spread where you need it!

Misled · 12/25/2020, 03:41 PM

This Thread has all the info you should need. It's long, but has settings and programs you can use.

12/24/2020, 08:29 AM	#1
grtmmt Registered Member Join Date: Jan 2011 Location: Va Posts: 115	Lightning height above water? I have 3 AI hydra 26s and 1 AI hydra 32 over a 8foot long tank that is 2 feet deep and 2 feet wide. Tank is lps dominant but I have some sps and would like more. Right now I have the lights 5.5 inches above water. There is no light spilling outside the tank. To low? __________________ tank: 155 gallon bowfront mixed reef Current Tank Info: 155 gallon bowfront

12/24/2020, 12:22 PM	#2
Vinny Kreyling Registered Member Join Date: Nov 2002 Location: Miller Place, NY Posts: 7,206	BRS did a lot of testing on lights. Check You Tube, the Hydras were included. __________________ 250 gallon mixed reef, 2 Reefbreeder's Photon V 2, Deepwater BLDC 12, DAS EX-3 Skimmer, MTC mini cal, 2-3/4" Sea Swirls, Aquacontroller & 6 Tunze pumps.

12/25/2020, 03:41 PM	#4
Misled RC Mod Join Date: Oct 2006 Location: Pittsburgh, Pa Posts: 11,440 Blog Entries: 11	This Thread has all the info you should need. It's long, but has settings and programs you can use. __________________ Jesse I'm not saying I'm Batman. I'm just saying nobody has ever seen me and Batman in a room together.

12/24/2020, 02:56 PM	#3
Imaexpat2 Registered Member Join Date: Sep 2003 Location: Chagos Arch. Posts: 474	If you dont have a PAR meter...Id definitely highly recommend the BRS Lighting videos 8 days a week!!! I have found their extensive work takes a lot of the guess work out of the equation and gives you the right amount of PAR and spread where you need it!