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Light cycle advice for 125g with CO2

Discussion in 'Lighting' started by nvladik, Apr 2, 2012.

  1. nvladik

    nvladik Prolific Poster

    Jan 3, 2012
    Likes Received:
    Local Time:
    2:40 AM
    Hi all, need advice on the photoperiod I should use. It's for a 125g tank (25" high tank), with aquatic life 72" t5HO fixture. It's pretty heavily planted, with high pressure CO2 setup. Currently I am running 4x39w from 10 am to 1 pm and another 4x39w from 3 pm to 9 pm. Plants are mostly doing great, but some are staying green and not turning red like they should.

    Also I should note I use Estimated Index for fertilization, but at a smaller portion of 2x a week for micros and 2x a week for other's to limit water changes to about 25%-30% a week. Still figuring this out.
    #1 nvladik, Apr 2, 2012
    Last edited by a moderator: Apr 3, 2012

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