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![]() I don't know where else to post this so I put it here.
The question is I have a couple of ballasts and lights which I think are HO. How can I tell? Here is the number off the lights F72T12/D/HO 85 WATTS ALTO COLLECTION BY PHILIPS.The bulbs are 6' long. Thanks in advance for the help.
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Marty 50g reef, bubble king skimmer,20g sump,zeovit system, PM cal reactor |