One of my MH ballast seems to be running brighter than the other. Both are identical pfo 175w magnetic ballasts. At first I thought it was my bulb but when I swap ballast, sure enough one was brighter than the other. what's wrong? and is there anything i can do?
Phu, you could have a capacitor going out or changing value. open them up unplug and swap the caps. then you will know if cap. (cheap to replace ) or ballast.
<a href=showthread.php?s=&postid=7922704#post7922704 target=_blank>Originally posted</a> by Pandarian From what little I know about capacitors is that they hold a charge. So I would be careful changing those out. Discharge them, then swap them out.
PS. Johnstone supply, grainger a couple places to look for caps. Dave from ETRC may have some if you contact him, think he bought some off ebay. good luck.
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