This site is supported by the advertisements on it, please disable your AdBlocker so we can continue to provide you with the quality content you expect.
  1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.
  2. We are after as many aquarium plant images that we can get, doing so will assist us in completing the aquarium plant database.

    https://barrreport.com/threads/aquatic-plant-images-wanted.14374/
    Dismiss Notice

newbie lighting question

Discussion in 'Are you new to aquatic plants? Start here' started by tedr108, Feb 2, 2008.

  1. tedr108

    tedr108 Lifetime Charter Member
    Lifetime Member

    Joined:
    Nov 21, 2007
    Messages:
    514
    Likes Received:
    0
    Local Time:
    8:19 AM
    I bought retrofit kits for my lighting and built my own canopies to save money. My lights are 5" to 6" above the water, but the reflectors still get water spots on them over time. The main culprit I have found is the oxygen (?) bubbles that the plants put off during the day ... sometimes the bubbles come to the top of the water and sit there, then they pop and often spray a little water droplet up to my reflectors or lights. It's a slow process, but I do feel the need to clean the reflectors every couple of weeks -- which I don't like.

    So, I'm thinking about putting either acrylic or glass into the canopy just below the reflectors. I'm sure this will cut down on the available light, but how much? I have 4 wpg (2 x 96w PC for a 50G tank) right now, so for me to cut the light down by 25% would be no big deal. Do any of you know whether acrylic or glass would reduce light less? Also, if I do put glass or acrylic below the light, should I lower the lights closer to the water?

    Or perhaps, I should I just clean the reflectors once in a while and leave everything as is ...

    By the way, I have light fans, so over-heating will not be a problem.
     
  2. VaughnH

    VaughnH Lifetime Charter Member
    Lifetime Member

    Joined:
    Jan 24, 2005
    Messages:
    3,011
    Likes Received:
    89
    Local Time:
    8:19 AM
    Acrylic doesn't work well as a shield on top of the tank. Acrylic absorbs water, which causes it to warp badly, since only the side next to the water gets water to absorb, causing that side to swell. And, the water spots you now get on the reflectors would be on the shield if you use one, so you would be cleaning that shield even more often than you clean the reflectors - it would be closer to the water. I prefer to do without the shield.
     
Loading...

Share This Page