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    Version as of 16:32, 7 May 2021

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    For marine PAR levels please click here.

    The list below shows the light ranges needed for plant growth in fresh water plants.

    The minimum figures are used as a giude line where growth will be minimal and teh health of the plant may come into question.

    At the maximum level no more growth will occur for an increase in light.

    Remember PAR is a better measurement of quantity of light than quality.

    A seneye  reef device will help you do more analysis than just PAR.

    You can find more information on Aquarium lighting here.

    Organism Genus Species Lighting Requirment PAR (µE m2sec)
    Minimum Ideal Maximum
    Plant Anubias angustifolia   40 125 200
    Plant Anubias barteri   40 75 125
    Plant Anubias nana   40 75 125
    Plant Anubis Species   40 100 200
    Plant Aponogeton Species High 100 150 200
    Plant Bacopa Monnieri   100 175 250
    Plant Bacopa Species   100 175 250
    Plant Cabomba  caroliniana Medium 100 150 200
    Plant Cabomba Species High 100 150 250
    Plant Crinum Species High 100 150 200
    Plant Cryptocoryne  beckettii   50 125 200
    Plant Cryptocoryne  wendtii   50 125 200
    Plant Cryptocorynes Species Low 40 50 200
    Plant Echinodorous barthii High 150 200 250
    Plant Echinodorous bleheri Low - Very High 40 175 250
    Plant Echinodorous macrophyllus Average to High 50 150 200
    Plant Echinodorous osiris Average to High 50 150 200
    Plant Echinodorous Ozelot   50 150 200
    Plant Echinodorous palaefolius   100 200 250
    Plant Echinodorous quadricostatus   50 150 200
    Plant Echinodorous Rose   50 100 150
    Plant Echinodorous Rubin   50 150 200
    Plant Echinodorous tenellus   100 150 200
    Plant Echinodorous uruguayensis   75 175 250
    Plant Echinodorous Species Medium 50 100 150
    Plant Hygrophila polysperma   150 200 250
    Plant Hygrophila Species   150 200 250
    Plant Lilaeopsis Species High 100 150 200
    Plant Limnophila Species High 100 150 200
    Plant Ludwigia Species High 100 150 200
    Plant Microsorum pteropus   40 125 200
    Plant Microsorum Species   40 125 200
    Plant Myriophyllum Species High 100 150 200
    Plant Nesaea Species High 100 150 200
    Plant Nymphaea Species  High 100 150 200
    Plant Pogostemon Species High 100 150 200
    Plant Rotala Species High 100 150 200
    Plant Sagittaria Species High 100 150 200
    Plant Versicularia dubyana   40 125 200
    Plant Versicularia Species   40 125 200
    Plant Vallisneria  americana   50 150 200
    Plant Vallisneria  spiralis   40 150 200
    Plant Versicularia Species   40 150 200
    Plant Egeria densa   100 150 250
    Plant Egeria Species   100 150 250

    This list was produced in association with Arcadia products -  the experts in aquarium lighting.

    http://www.arcadia-aquatic.com