old one brighter than new: MH ?

becon776

New member
hey guys hope all has been well in reefdom...

quick ? I just changed my MH bulbs for the first time.. replaced them with same bulb same wattage same manuf everthing the same.... yet now twenty minutes in the new bulb started slower and the old one burned brighter... doesn't seem right since the old bulb is two years old (i know too old). Just curious if this is normal.. (I only replaced one bulb and left the old one in for comparison purposes.
thx ... Ben
 
Takes about 100 hrs. of burn time for bulbs to color up.I just replaced my old mh with new one and they weren't even close to the same color/brightness as the others and a few weeks later they are the right color.100 hrs. is roughly about the norm.
 
what bulb mfg.? I ran into some bad AB's acouple of years ago. It turned out that others on RC were experiencing the same problem.
 
Standard issue hamilton tech true 10k Exact same bulb that was replaced... after a while they started to seem a bit brighter.
 
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