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OH THE HORROR . DSM instant BGA

Discussion in 'Are you new to aquatic plants? Start here' started by c allen, Jul 9, 2013.

  1. c allen

    c allen Junior Poster

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    hi all.

    tank:300l, 120*50*50cm
    eheim 2075,1250lph
    aquanic 1000, 900lph-hydor inline heater
    aqua nova1500, 1500lph-ista max co2 reactor
    ati sunpower dim 120cm 4 54w tubes, 2middays,2aquafloras

    first attempt at planted tank.
    iwagumi.dry start method.
    30l ada as amazonia new.
    20 pots hc, some pennywort, some sp tropica

    8 weeks -ati 100% 12hrs a day
    plenty root growth , some spreading, all good.

    the day of the flood;
    eheim and aquanic blow their o rings. wicked.
    drain tank, wait for warranty replacements.

    so i figure im over this and a week before the new parts are due to arrive i figure the 1500 can run the tank.
    i flood it ,set the ati using gerryd's tables for his tank with a 35% max, bask in the glow of the fruit of my labours. next day BGA sweeping across the hc and soil.
    the best plan i could come up with was to drain it and go back to dsm regime. next day i quarter fill it and spot dose around 120ml h2o2, wait half an hour ,then drain it. back to dsm.
    i plan to do the h2o2 thing again tomorrow if it seems effective.

    so thats where im at . im the noobs noob and perhaps a lil gung ho.
    any advice would be appreciated. cheers
     
  2. Tom Barr

    Tom Barr Founder
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    Might be a little too wet/not enough air circulation in the tank.
    HC does not need 100% humidity, it does well as long as the roots are a established a little bit and they are wet.
    The air above can be dry.

    BGA likely came in on the pots and spread.

    You can use the EM diluted in 200 mg per 200 mls of water and spray all of this directly on the BGA and plants. It will not harm the plants, the BGA will die in about 2-3 days.
     
  3. c allen

    c allen Junior Poster

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    excuse my ignorance but what is EM? ive been using hydrogen peroxide 3% solution.
    thanks Tom.
     
    #3 c allen, Jul 9, 2013
    Last edited by a moderator: Jul 9, 2013
  4. thinbear

    thinbear New Member

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    em = erythromycin, You may find them in fish store, API sells it in US
     
  5. c allen

    c allen Junior Poster

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    that might be a problem as antibiotics are scripted where i live in sunny tasmania
     
  6. Tom Barr

    Tom Barr Founder
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    I'm not sure if fish meds are avail or not there.
    They might have an exception, but hopefully not(good medical policy, but bad for BGA management, so given the choice between the two, I'd go with your government's policy).

    A 3 day blackout will knock the BGA back, H2O2 is a okay in this case, I had a feeling you have EM unavailable.
     
  7. Feidlimidsmith

    Feidlimidsmith Junior Poster

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    any good store to find those things? i am desperate to make the purchase of them,....
     
  8. c allen

    c allen Junior Poster

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    so i went to the doc, got a script,medicare subsidised,$12.50 for 10000mg , i.e 50 doses. pretty funny telling him i want it for my fish tank and dont have a bronchial infection.
    sprayed tank with dilution, will see how it goes.
    the h202 showed some progress but im hoping for better results with the EM.
    will update
     
  9. Tom Barr

    Tom Barr Founder
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    12.50 ain't bad, that's the same here.
    You likely only need 2 doses of it.
    It's very effective.

    EM is pretty much 100% effective.
     
  10. c allen

    c allen Junior Poster

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    will my nitrifying bacteria be killed of as well? and where would that place me with cycling?
     
  11. c allen

    c allen Junior Poster

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    so ive given it about 4-5 doses and yet there remains a green dot here and there. is this as i suspect a dumb question and i just keep on spraying or could the bacteria be in the death frows. its just that you cant see the stuff without water in the tank and the whole fill and drain every 2-3 days is teaching me a new level of anger management. on the bright side i think the hc likes it
     
  12. Tom Barr

    Tom Barr Founder
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    Takes 3-4 days t kill it with EM, if not, it's not BGA.
     
  13. c allen

    c allen Junior Poster

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    so i drained it and sprayed again. will leave dry for four days. im pretty sure it is BGA ,when i google it, thats what it looks like , pretty much exactly.
    i got 400mg tablets from the chemist(thats all they come in) disolved in 400ml water. this last spray will put it at five 400ml doses in ten days. perhaps i filled it too early and juiced up the surviving cyano
     
  14. Monilovesplants

    Monilovesplants Prolific Poster

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    Agh....I had something like this happens...takes over

    My midsize tank put me through this horror. I completely sympathize. I ended up dumping ALL plants that were covered, clean and scraped EVERY inch of black beard algae and planted something that grew super fast like Carolina Cabomba. It was the only thing that seemed to grow and wouldn't get covered up. Sigh. I also added Duckweed and let it grow like mad. I know I managed to finally get it in control but only after I got the plants to take over the tank. It was a pain. :mad:
     
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