WARNING - Aquanic Magnets

Discussion in 'General Discussions and Advice' started by Express Reef, 5 Jul 2012.

  1. Express Reef

    Express Reef

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    Hi All Fellow Reefers,

    As you all know I was strugling with my tank over the last 2months, and almost quitted the hobby for good....
    Please Help : Is this diatoms???? - Marine Aquariums of South Africa

    I developed a brown gunk in my tak that literaly took everything over... I spend more than R5,000.00 to try and get my tank back to normal, from doing massife water changes every week, spending like 2 hours every day brushing of the brown gunk(K@k), using filter wool .... I changed the globes, dose bacteria (4 dif brands) even went so var as to build an algea scrubber, all went well and the tank started to look better only to find the tank tonight covered in brown k@k all over again... fumed with rage/anger I throw my magnet cleaner against the wall screaming like a mad man, only to find the cause of the problem... the magnet got some sort off metal in the inside and is developing the brown k@k... spend like 2 hours again cleaning the tank... Will need to do a massive water change over the weekend again:eek:

    Take a look at this...


    [​IMG]
    [​IMG][​IMG]
     
    gMAN and mornewil like this.
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  3. mornewil

    mornewil Morne

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    so the water was leaking somehow into the magnet?
     
  4. Express Reef

    Express Reef Thread Starter

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    Yes, and the mettal in the inside is reacting with the salt water...
     
  5. CocaColaza

    CocaColaza

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    So rust?
     
  6. mornewil

    mornewil Morne

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    Damn. I think i must take my one out my tank and ratha just use it when necessary. Was yours always stuck to the side in the water? Mine currently is.
     
  7. Express Reef

    Express Reef Thread Starter

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    Yes It was always in the tank:eek:
     
  8. Express Reef

    Express Reef Thread Starter

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    Looks like rust, but its more like a mud substrated kinda brown gunk, like rust mixed with water
     
  9. mornewil

    mornewil Morne

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    mayb it happens after a while. saltwater eats through the glue that keeps unit togehter over time and leaks into it. makes sense. damn will remove mine now.
    thanks for heads up:thumbup:
     
  10. Greg Bridger

    Greg Bridger

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    Someone advised me once to never leave your magnet in the tank as things grow on your magnet and can cause scratching of you glass. Looks like you just gave us another reason. Thanks for sharing
     
  11. Manic

    Manic Moderator

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    I also had a crazy diatom outbreak. Tried everything for 6 months and no luck, eventually just shut the whole tank down. Maybe it was my magnet as well, it was also in the tank the whole time.
     
  12. brentch

    brentch

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    And diatoms love iron! :eek:

    In fact (sorry to go slightly off topic) scientists have been doing experiments where they add chellates and oxides of iron to the surface of ocean water and taking fluorescence readings with satellites to determine productivity. In fact, they were thinking of using this method to produce a carbon sink to combat global warming. The carbon sequestered in to the little diatom bastards would be locked up for millions of years when the diatoms sink to the ocean floor as marine snow. After doing calcs and producing isotopic models via in situ experiments, it was determined to be ineffective...

    http://www.planetearthremediation.c...Southern Ocean Iron Enrichment Experiment.pdf

    http://academics2.vmi.edu/biol/humstonr/GCC/Buesseler et al 2004.pdf

    http://www.soest.hawaii.edu/oceanography/courses/OCN626/2010/boyd_science_2007.pdf


    Moral of the story is... Well... Er... You have probably been doing a similar little experiment in your tank without even knowing it;)


    Keep your head up @Express Reef! I'm sure you have found the source of your problem!:thumbup:

    BTW, how old is that magnet cleaner?
     
    Last edited by a moderator: 26 Nov 2015
  13. Express Reef

    Express Reef Thread Starter

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    must have been @Manic, the diatoms feeds on the mettal... running my skimmer wet now, gave my whole tank a "tooth brush, brush" :lol: placed filter wool in the overflow to catch all the gunk, and I used some seachem clarity... must say the tank looks nice again... dosed some special blend now... hope it helps... Will do a water change tomorrow after work
     
    Last edited by a moderator: 26 Nov 2015
  14. irie ivan

    irie ivan MASA Contributor

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    Sorry, but can resist, would love to know what this did to your PO4 levels.......
     
  15. Express Reef

    Express Reef Thread Starter

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    +-8months
     
  16. brentch

    brentch

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    Eish sorry bru, well at least your tank is clean now... Sure your skimmer will be working overtime for a little while!
     
  17. Express Reef

    Express Reef Thread Starter

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    @irie ivan


    [​IMG]
    Been dosing this like crazy tooo....:p


    [​IMG]
     
    Last edited by a moderator: 26 Nov 2015
  18. Express Reef

    Express Reef Thread Starter

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    I would advise everone too inspect there magnet cleaners, and if you keep it in the tank, run like hell and remove it like in NOW;)
     
  19. Tremayn

    Tremayn

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    big ups for finding the problem!
     
  20. LCornelius

    LCornelius Moderator

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    Dang, that is scary! Thanks for pointing it out!
     
  21. Clownfish9906

    Clownfish9906

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    guys...i just noticed 2 rust like spots on my magnet cleaner....

    I have exponentional growth of algae on my glass!

    I have removed it...Nitrates below 0.2 and phos undetectable...
     
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