I have an AquaticLife 48" 6 bulb T5HO lighting system in my 75g reef tank. This is my 14th month on these bulbs and I feel its time to start replacing them. I picked up a Giesemann 6K Midday today and am not sure what else to put in the other 5 slots. I was told by LFS maybe, 1 or 2 of the...

The light fixture I have uses double ended Halide bulbs. One of the bulbs will not fit into place properly. The left side of the bulb will not slide down into its slot all the way, whereas, the right side fits snug. This has caused the metal on the ends of the bulb to burn. I have broken several...

does anyone out there know how to change the bulbs on an odyssea light fixture? i have the twin 250w mh, 4pc fluorescents, w 6 led moonlights type. i know you have to take the side panel off to slide out the glass covers to change the pc's, but im wondering how much farther i need to go to...

How often should PC bulbs be replaced to maintain optimum lighting?