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light requirements

  1. Curious Question: How dark do fish like the tank at night?

    Advanced Freshwater Discussion
    Sorry if this isn't "Advanced" (I always have trouble finding the right sections). However the behavior of my fish does create some interesting speculation about nighttime requirements for fish. I am a firm believer in keeping the tank lights off during evening hours, because not only does too...
  2. Lights?

    Beginner Planted Aquarium
    I am getting a Marineland 29 gallon aquarium and i found out that the light it comes with does not support plant growth. I need a light that is about 3 watts per gallon and is less than 100$. (If you have a better aquarium kit that you bought that is around 25 gallons, send me the link:-D)
  3. 20 gallon high, low tech planted setup.

    Beginner Planted Aquarium
    hi, i have a 20 gallon high setup it has been running for about a year and i have some plants which are not doing to good, probable because our windown was open and the water cooled down alot, the plant never really grew extremly well and i was wanting to re-do the setup, i have a corallife...
  4. WPG calculation & low, medium & high light?

    Beginner Planted Aquarium
    Hi, I'm trying to get new lighting and pick plants for my tank and I need a couple of things clarified. Firstly how many watts per gallon is low, medium and high light? Is 2 wpg low or medium light? Secondly do I choose my lighting on the maximum capacity of my tank or by the actual amount of...