removing green spot algae

Discussion in 'Algae' started by fishkeeper, 6 Dec 2008.

  1. fishkeeper

    fishkeeper Member

    Messages:
    198
    i have green spot algae all over my glass.

    The problem is i dont have an algae scraper with a blade to get this off (except my marine one but i dont want to risk it)

    is there any other way of getting this off? my algae magnet is just a hagen one so it doesnt get it off

    Thanks
     
  2. scottturnbull

    scottturnbull Member

    Messages:
    132
    By hand, using white filter floss. The perfect algae scrubber. You can usually buy a bag for less than a pound in your LFS.
     
  3. fishkeeper

    fishkeeper Member

    Messages:
    198
    got planty of filter floss :D

    thanks ill give it a try tomorrow in the regular clean :D
     
  4. aaronnorth

    aaronnorth Member

    Messages:
    3,955
    Location:
    worksop, nottinghamshire
    i use a scourer
     
  5. ceg4048

    ceg4048 Expert/Global Moderator Staff Member

    Messages:
    8,953
    Location:
    Chicago, USA
    Why not just avoid it completely by adding more PO4?

    Cheers,
     
  6. fishkeeper

    fishkeeper Member

    Messages:
    198
    to be honest, i didnt know adding PO4 stopped it. From an article of read on the internet, it says this algae was inevitable :lol:

    thanks Ceg :D
     
  7. aaronnorth

    aaronnorth Member

    Messages:
    3,955
    Location:
    worksop, nottinghamshire
    adding PO4 will lower it, but you will probably still get the odd spot.
     
  8. ceg4048

    ceg4048 Expert/Global Moderator Staff Member

    Messages:
    8,953
    Location:
    Chicago, USA
    GSA is primarily PO4 related and is also CO2 related, believe it or not. It's a good idea to understand what type of algae is related to what causal factors as we now have a pretty good idea about this. Without knowing what article you're referring to I'm going out on a limb and rudely proclaim that the author of that article still has much to learn if he/she believes that the addition of PO4 inevitably causes algae. This is not to say that algae cannot accompany PO4 addition. If you develop a type of algae that is not PO4 related then the addition of PO4 can then feed that algae so it's critical to understand cause and effect. Check out JamesC's algae guide which provides a summary of the various algae types and their fundamental causal factors.

    If you are an extremist you can add enough PO4 and CO2 to completely eradicate GSA from the tank, however normal people just add enough of both to render it only a minor nuisance.

    Cheers,
     
  9. fishkeeper

    fishkeeper Member

    Messages:
    198
    thanks for the guide Ceg :D

    Has been favourited in my 'Fish' folder :lol:
    How is the best way to add PO4?

    Will
     
  10. ceg4048

    ceg4048 Expert/Global Moderator Staff Member

    Messages:
    8,953
    Location:
    Chicago, USA
    Will,
    The best way of starting an internet flame war is to ask "What's the best...[insert any product here]..." :lol: So let's look at it from another perspective:

    The cheapest way to add PO4 to a tank is via Potassium Phosphate (KH2PO4). The cheapest popular supplier I recall off hand is Garden Direct Potassium Phosphate but there may be ebay type offers out there.

    The most convenient way to add PO4 is via a premixed commercial product that contains it such as Tropica's TPN+ all-in-one or via the dedicated Seachem, Kent or Easylife range. Typical examples are here:=>AE Kent Phos+ or AE Seachem Flourish Phosphorous or AE Tropica TPN+

    As a precautionary note, save yourself confusion by completely ignoring the propaganda wording accompanying the product pages if you decide to go the convenient route.

    Cheers,
     
  11. fishkeeper

    fishkeeper Member

    Messages:
    198
    ahh cool

    i have Potassium Phosphate (KH2PO4) in my fert mix so i guess im ok, ill jsut add more to the mix then it will not come back as easily?

    Thanks

    Will
     
  12. ceg4048

    ceg4048 Expert/Global Moderator Staff Member

    Messages:
    8,953
    Location:
    Chicago, USA
    Yes, agreed, but also remember that CO2 is in the equations as well. Double the PO4 first and take a reading after about 3 weeks. If that shows no improvement then make an additional adjustment of slowly increasing the bubble rate.

    Cheers,
     

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