Guppy Lighting Question

Discussion in 'Freshwater Fish and Invertebrates' started by Heron, May 29, 2019.

  1. Heron

    HeronValued MemberMember

    Messages:
    428
    Gender:
    Male
    Location:
    Cumbria uk
    Ratings:
    +200
    Experience:
    5 to 10 years
    Hello everyone. I have been keeping guppies for a few years and have always kept the lighting timer at 12h on 12h off. I was chatting with a friend today who told me he found his guppies bred quicker with 16h on and 8 off. I was told 12/12 when I bought my first guppies and I have never questioned it. I would like to know what other guppy keepers do and whether it actually makes a difference. The scientist in me feels an experiment coming on but the fish keeper thinks if something is working don't touch.
     
  2. kallililly1973

    kallililly1973Fishlore VIPMember

    Messages:
    4,619
    Gender:
    Male
    Location:
    Rhode Island USA
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    +3,141
    Experience:
    2 years
    Sounds like your routine is working. I’ve had guppies for 2 years and have always had the lights on for 8 hours and they have always bred for me. I have probably 10-15 generations of guppies that derived from 1 male and 2 females at the start
     
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