Green Algae

Discussion in 'Urgent Help Needed' started by Mel, 26 Jan 2009.

  1. Mel

    Mel

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    Hi guys, I'm back - about time!

    Have a problem. My tank is covered in this green algae. It looks almost like fine grass. It is all over the place. I do my water change religiously every week and pick out all the green stuff and within a day it's growing back again!!!

    Even my poor hermit crab has it on his shell!

    I also have a purplish bubble type of thing growing on one of my rocks.

    Any help? PLEASE :confused::dft004:


    Thanks
    Mel
     
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  3. dallasg

    dallasg Moderator MASA Contributor

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    sounds like cyno
    search the nuisance algae thread for removal tips
     
  4. JD167

    JD167

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  5. Mel

    Mel Thread Starter

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    thanks alot. will have a look at the suggested links.
     
  6. mnd123

    mnd123

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    Dallas - Cyano is a mat with bubbles - a red bubble could be a type of grape bubble algae - can you post pics?

    Is the green algae like hair or like the frond of a fern? Former could be green hair alage, latter briopsis - both nasty
     
  7. Tony

    Tony

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    Younds like derbesia if it's a fine hair like alga or bryopsis if its fern like in appearance. You clearly have a high nutrient problem which you have to get rid of. Products like prodibio will sort you out chop chop
     
  8. Mike

    Mike Retired Moderator

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    A pic of your tank would identify the culprit, but in the mean time, are you using R/O water for your top ups? if yes where do you get it from? have you tested it for TDS?
     
  9. Tony

    Tony

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    Where are you in SA. I have been using EM's or effective microbes to reduce my nitrates and will gladly help you with some if you're in Jo'burg
     
  10. Mel

    Mel Thread Starter

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    It is a fine hair-like algae. The bubble ones are a purplish group or two of things. I will try to post some pics later this afternoon before I do the water change.
     
  11. Tony

    Tony

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    Definately byopsis
     
  12. Mel

    Mel Thread Starter

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    Will post pics later. I do use RO water. Get it from Exotic Aquariums in Boksburg. All tests seem fine.
     
  13. Mel

    Mel Thread Starter

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    Thanks Tony. I'm in Henley on Klip.
     
  14. Mike

    Mike Retired Moderator

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    Something is feeding your algae outbreak, we need to work out what and how it is getting in the tank, do you run a P04 remover?, when you say fine, what is the TDS of the R/O? what salt do you use? what do you feed and how often?
     
  15. Mel

    Mel Thread Starter

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    I use Phosban. Salt water I buy from Exotic and they use Tropic Marine salt. I will have to check the RO water again to tell you exactly what it is. I feed flakes twice a day and mysis shrimp twice a week.

    I have 3 fish, 1 hermit crab, 2 cleaner shrimp, 1 starfish in my tank. Those are all that survived when my tank crashed a while back.

    Also, I very very rarely use RO water as I do the water changes every week and my water level never really gets low at all.

    I only have a nano tank. Not very big.
     
  16. Mel

    Mel Thread Starter

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    I just did a phosphate test and the water in the test tube is clear! no colour to it at all - is that possible????
     
  17. Tony

    Tony

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    The water is the problem then. You have to use RO water for top ups and water changes.

    How much does Exotic charge for a litre which will be indicative of the salt they use?

    What test are you using?

    The phosphates and nitrates may be tied up in the algae or your test kit in inaccurate hence the zero reading
     
  18. Mtroboer

    Mtroboer

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    Sorry to differ from you Tony but it rather seems to be hair algae to me. Mel does it look like this (Hair algae)?

    [​IMG]

    Or this (Bryopsis):

    [​IMG]

    Would it be possible that there is any metals leaching into your tank i.e. aluminum? If not using R/O (depending on where you stay) I would say that that would be you're nr.1 culprit!
     
  19. Mel

    Mel Thread Starter

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    Exotic charges R2 per liter for salt water.

    So you are saying that I am doing this all wrong?? When I asked them at Exotic they said I only use RO if my tank water evaporates alot before doing water changes and I only use salt water for water changes!!!!

    I'm using the Tropic Marine PO4 test and I use Quick Dip Strips for the Nitrate Nitrite Alkalinity and PH.
     
  20. Mel

    Mel Thread Starter

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    It defenitely looks like the first picture - hair algae - but I have tons more of it than there is in that pic.
    No metals as far as I know, how do I check that? I stay in Henley on Klip which is in the Vaal Triangel.
     
  21. Mtroboer

    Mtroboer

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    Is it a ready mix you buy from them? If so I believe it will be R/O but just confirm for safety sake! Also would it be possible to get clean R/O from them for top-ups?
     
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