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[APD] Icecap MH Ballasts and Iwasaki Bulbs

I just recently acquired two Icecap 150W MH ballasts (which are really 
Hatch electronic ballasts with a printed Icecap sticker stuck to the 
side) and two matching Iwasaki bulbs. When I power them up, the bulb 
emits a very high-pitched whine (like a camera flash charging) and 
occasionally flickers. Does anyone know if I have done something wrong, 
or do I need to send these to Icecap for "tuning"?


Jerry Baker
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com