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Thread: My bulb shouldn't do this...... should it?

  1. Back To Top    #1

    Join Date
    Jun 2013
    Stilwell, Kansas

    My bulb shouldn't do this...... should it?

    I opened my light to replace the old dried out gasket with a new gasket before I fill the pool in a couple of weeks. I was pretty surprised to see the bulb look like this. At first I thought the bulb must have melted somehow, but then began to wonder if had that extra bulge from the factory. Is this normal? Or do I need a new bulb?
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    Empty 16'x32'x(8' deep end & 4' shallow end) indoor inground pool, ~23,000 gallon, Sta-Rite 3/4HP pump, Minimax 150M Plus millivolt heater, Heldor PF-50 sand filter, Pentair Sand Dollar SD80 sand filter, Hayward Aqua Rite SWCG (T-Cell-15)

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    Charlie_R's Avatar
    Join Date
    May 2013
    Mexico, MO

    Re: My bulb shouldn't do this...... should it?

    I've seen theater lighting with bulbs that had a similar bulge, designed like that for reasons lost to antiquity.

    Personally, I'd replace it with a new one, why take the chance?
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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