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Seachem Florish for 120g

Discussion in 'Are you new to aquatic plants? Start here' started by rthomas, Oct 17, 2010.

  1. rthomas

    rthomas Guru Class Expert

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    Hi all,
    I have started dosing my 120g tank as per EI method. Specs as follows:
    Lighting: 270 watts T5HO (2.25 watts per gallon)
    Pressurized CO2
    Photo period: 7 hours
    KNO3: 1.5 tsp (10.35 ppm from fertilator, 11.34 ppm from Chuck's calc)
    KH2PO4: 0.25 tsp (1.35 ppm from fertilator, 1.84 ppm from Chuck's calc)
    Flourish: 10 mL (0.22 ppm Fe from fertilator)

    Would it be best if I were to halve the dosage for Iron to just 5 mL for each of the Mondays, Wednesdays and Fridays during this initial stage?

    Please advise. TIA.
     
    #1 rthomas, Oct 17, 2010
  2. fjf888

    fjf888 Guru Class Expert

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    Not sure why you would. You have a bunch of light, that 2.25 wpg, is really closer to 5-6wpg due to being t-5 HO. Why ease up on the iron and traces and create a potential deficiency? If its $ issue get plantex CSM+B. If you want to dose less you should use less light. The excess light is far more likely (will) create an algae problem, because there will be a lot more CO2 demand, which might not be met, than an extra 5ml of flourish.

    Your lighting and CO2 look to be the big issues.
     
    #2 fjf888, Oct 20, 2010
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