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  1. #1
    Senior Member DARK's Avatar
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    Anyone know length of vho's

    I hope to be finishing off my canopy tomorrow but I need to know what length the complete endcap/tube/endcap is. I'll be using 48 inch tubes and waterproof endcaps.

    Thanks

  2. #2
    Former Moderator swiseman's Avatar
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    I believe that 48" bulbs are actually 46.5", however, ther are some that are a true 48. It would be advisable to check the website of the bulbs you are planning on using. The PFO electronic ballast I bought gave me the exact measurement I needed to space the mounting brackets. I am not at home right now or I would tell you the exact amount.
    If my wife asks, it was only $20.

    Hardware:
    220 Gal Mostly SPS Reef, 66 gal sump with refuge, 33 gal refugium, Gen-X Mak-5 Return, 3 x IceCap 250 MH, 2 x 110 VHO, Deltec APF600 Skimmer and a Deltec AP-600, Geo 6-18 Calcium Reactor, 2 x Tunze Stream 6100, Profilux Plus II EX Controller.

  3. #3
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    If I remember correctly, they are measured 'pin to pin', so a 48" bulb will not fit in a 48 inches of space because you still need to factor in the endcaps. I'm quite sure you will need 46.5" bulbs if your available space is only 48 inches.
    George

  4. #4
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    Cool

    if your using 48'' tubes, give yourself an inch on each side=50''
    you can order 46.5'' tubes. tubes are measured pin to pin.

  5. #5
    Senior Member DARK's Avatar
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    Thank you very much.

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