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Getting rid of 'green water'

  • 02-03-2010 6:18pm
    #1
    Gloomtastic!
    Registered Users, Registered Users 2 Posts: 8,835 ✭✭✭


    The water in my coldwater fish tank is turning green - I changed it completely a couple of weeks ago but it's coming back with a vengence. Fish don't seem to mind it.

    What's the safest chemical treatment to use?


Comments

  • #2
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,243 Mod ✭✭✭✭godtabh


    What are you feeding them?

    Is there a filter?


  • #3
    Gloomtastic!
    Registered Users, Registered Users 2 Posts: 8,835 ✭✭✭Gloomtastic!


    godtabh wrote: »
    What are you feeding them?

    Is there a filter?

    Tetra Flake Food.

    Yes, an Interpet one.

    The tank's been set up for months. Only just had this problem the last few weeks.


  • #4
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,243 Mod ✭✭✭✭godtabh


    I'm having a similar problem but with a warm water one.

    I think it was something to do with the holiday food i gave them a few weeks ago


  • #5
    Sigma Force
    Registered Users, Registered Users 2 Posts: 5,132 ✭✭✭Sigma Force


    Is the tank near sunlight or semi sun


  • #6
    Wolfsberg
    Registered Users, Registered Users 2 Posts: 233 ✭✭Wolfsberg


    Sound advice...

    http://www.guitarfish.org/algae#greenwater


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  • #7
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,243 Mod ✭✭✭✭godtabh


    Mine isnt.

    The lights are on for 12hours a day. Might reduce that for awhile


  • #8
    Gloomtastic!
    Registered Users, Registered Users 2 Posts: 8,835 ✭✭✭Gloomtastic!


    Wolfsberg wrote: »
    Sound advice...

    http://www.guitarfish.org/algae#greenwater

    Nice one! Some good solutions there.

    Thank you.


  • #9
    dbrock
    Registered Users, Registered Users 2 Posts: 333 ✭✭dbrock


    reduce the lights to 8 hours a day
    have you replaced the bulb lately, if so have you used an aquarium bulb, as some of the ordinary flurescent tubes have a light spectrum which will help the algae grow,


  • #10
    Gloomtastic!
    Registered Users, Registered Users 2 Posts: 8,835 ✭✭✭Gloomtastic!


    dbrock wrote: »
    reduce the lights to 8 hours a day
    have you replaced the bulb lately, if so have you used an aquarium bulb, as some of the ordinary flurescent tubes have a light spectrum which will help the algae grow,


    The bulb was replaced just after christmas so it could be the culprit. :mad:


  • #11
    dbrock
    Registered Users, Registered Users 2 Posts: 333 ✭✭dbrock


    just reduce the light output to 6 hours if no plants , and 8 if you have plants,
    go easier on feeding, for the next few weeks and see if it starts to clear up,
    also do a few 30 percent water changes maybe every 5 days or so

    if you notice the water starting to clear you might be ok with your bulb, no need to change till you know


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