Replacement bulbs - probe or pulse..?

Discussion in 'Lighting' started by VTevaD, Oct 10, 2015.

  1. #1 VTevaD, Oct 10, 2015
    Last edited by a moderator: Oct 10, 2015
    Hi, I have two ballasts that need bulbs, and need some advice. A 1000W MH ballast that is maybe 25 years old and a 1000W switchable(MH<>HPS) that is much newer. I have been told bulbs come in "pulse" and "probe" - so I am not sure what replacement bulbs would work in these ballasts - any advice appreciated! [​IMG] PS can take photos of the ballasts if necessary

     

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