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Adjusting EI dosing to lower light

Discussion in 'CO2 Enrichment' started by Matan Golan, Jan 8, 2008.

  1. Matan Golan

    Matan Golan Junior Poster

    Dec 14, 2006
    Likes Received:
    Local Time:
    5:04 PM
    Hi everyone,
    About 3 weeks ago I started up a new, relatively low-light, 60 gallon tank and was wondering how I should be adjusting the fert levels. In my older tank, with around 1 watt/liter (app. 3.6 wpg) and plenty of stem plants I was dosing the full recommended quantity for a 60 gallon (3/4 tsp KNO3, 1/4 tsp KH2PO4 and 1/4 tsp Plantex + CSM) and the tank was doing great.
    In my new tank I have 0.45 watt/liter (app. 1.8 wpg) and no stem plants. I do have plenty of Echinodorus, Cryptocoryne, Vallisneria nana, ferns, mosses and a Nymphea.
    I'm using regular tap water which has worked great in the past, misting CO2 and performing a weekly 50% WC. A bit of fuzz algea has appeared on some of the plants but it doesn't seem to be getting out of hand so far.
    Any experience with such setups? What would be your suggestion for dosing in this new setup?
  2. Tom Barr

    Tom Barr Founder
    Staff Member Administrator

    Jan 23, 2005
    Likes Received:
    Local Time:
    5:04 PM
    Well, the algae is not due to the that's one thing.
    But you likely only need about 1/2 the EI dosing.
    Maybe less if the fish load is high as well.

    Tom Barr

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