View Full Version : par38 leds on my frag tank....

01/23/2011, 01:15 PM
I'm going to use these bulbs on my new frag tank and was wondering what the suggested height above the water surface is.

01/23/2011, 02:23 PM
Depends on what optics you get, 40* you will have to put up high or you will get a spot light affect. There is 60* and 80* also, depending on how many you are going to have you will be able to keep the 80* lower to the tank.

01/23/2011, 03:47 PM
thank you for the info. I just looked at the bulbs and they are 40's. I'm going to put them on an adjustable bar hung from the ceiling so I can adjust the height as needed.