mmkeeper Well-known member Joined Nov 19, 2005 Messages 2,093 Location elk grove, ca Oct 21, 2007 #1 When do you change your MH bulbs?
ronj Blue Tang Joined Nov 28, 2005 Messages 4,490 Location Destin,Fl Oct 21, 2007 #2 that's a broad question!!!!i think it is like between 12-18 months, depending on what kind of bulb... some bulbs lose par faster than others
that's a broad question!!!!i think it is like between 12-18 months, depending on what kind of bulb... some bulbs lose par faster than others
mmkeeper Well-known member Joined Nov 19, 2005 Messages 2,093 Location elk grove, ca Oct 21, 2007 #3 Hamilton 175 20k pfo ballast. Do you use time? Color of light? Algae?
ronj Blue Tang Joined Nov 28, 2005 Messages 4,490 Location Destin,Fl Oct 21, 2007 #4 personally, i go about 12 months.. i know i can go longer, but $100 a year isn't bad for bulbs.. i'm sure it's better for growth of the corals to change them a little more regularly
personally, i go about 12 months.. i know i can go longer, but $100 a year isn't bad for bulbs.. i'm sure it's better for growth of the corals to change them a little more regularly
twilliard What next? Joined Jun 11, 2005 Messages 867 Location Ellensburg, WA Oct 21, 2007 #5 Once a year on halides for me. I have no way of testing PAR so I cange out every year.
