Ramping up photoperiod after replacing ballast

TexMoHoosier

Subscriber
Dec 7, 2015
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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