Most electrical supply houses will have them. FWIW, the coating does very little to actually improve the color. They also make replacement fluorescent spirals with mogul bases that are matched to a 175W MV ballast.
I added that advice because MV lamps are terribly inefficient (almost as bad as incandescent), and upgrading should always be a consideration.
reply to nunya I know it's not efficient.. but as you know when people get old and set in ways she does not want to change the fixure and the fluorescent bulbs from what I can tell are ok but don't last as long and color is not an issue.
Most electrical supply houses will have them. FWIW, the coating does very little to actually improve the color. They also make replacement fluorescent spirals with mogul bases that are matched to a 175W MV ballast.
I added that advice because MV lamps are terribly inefficient (almost as bad as incandescent), and upgrading should always be a consideration.
I wished she installed a HID or at least a Sodium vapor for the rear of the house. The yard is way too big for a single 175W MV I had to double check that it was indeed on because it was so dim (she had the bulb replaced last year)
And I'm sure all types of nasties would happen if you don't replace the whole fixture to one that supports the proper bulb. -- It's NOT Ni-kon It's NE-KON!
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