Uv bulbs

Discussion in 'General Discussions and Advice' started by Newbiejb, 5 May 2016.

  1. Newbiejb

    Newbiejb

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    Hi guys i have a 55w uv unit in my tank i need to replace the globe and was wondering what is the difference between the clear uv and the purple uv.
     
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  3. dallasg

    dallasg Moderator

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    Clear UV is germicidal the purple is the disco light :)
     
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