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Ramping up photoperiod after replacing ballast

Discussion in 'Lighting' started by TexMoHoosier, Jan 14, 2016.

  1. TexMoHoosier

    TexMoHoosier Subscriber

    Dec 7, 2015
    Likes Received:
    Local Time:
    8:16 AM
    I had a ballast that powers 2 lights die on my quad T5HO. By the time I get the new one in, it will probably have been 5-7 days since my plants had full light. Do I need to gradually increase the duration I have the lights on the replaced ballast so I don't shock my system by essentially doubling the light? Here's my set up:

    29 gallon

    Moderate to heavily planted (varoius crypts & swords, barclaya longifolia, nymphaea stellata & a small patch of barely established glossostigma)

    Pressurized CO2 (approx 20 ppm)

    Dosing EI

    Flourite substrate

    Lights: T5HO (3x 6500K, 1x 10,000K; dead ballast powers 2x 6500K bulbs), 10 hr photoperiod

    lights are 6" from water surface

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