Is this cyano or diatoms from No3PoX4?

Discussion in 'Algae (including nuisance algae and bacteria)' started by sternicus, Dec 6, 2017 at 5:09 PM.

  1. sternicus

    sternicus Well-Known Member

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    Started dosing about 5 days ago and am getting this on my sand bed. Blows away like it disintegrated but I can’t be sure I’m seeing it right [​IMG]
     
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  2. KJ

    KJ Road Warrior R2R Supporter ETRC Member R2R Excellence Award Reef Squad Leader

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    Diatoms.
     
  3. sternicus

    sternicus Well-Known Member

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    Are you sure? Are diatoms caused by nopox? Tank has been running for 4 months and already had them
     
  4. Jason mack

    Jason mack Monti madness R2R Supporter R2R Excellence Award Reef Squad Build Thread Contributor

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    +1 diatoms .. is this a new tank ... how long has it been running ? Are you topping off with rodi ?? If so what is your tds ??
     
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  5. Jason mack

    Jason mack Monti madness R2R Supporter R2R Excellence Award Reef Squad Build Thread Contributor

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    You also need too be careful with nopox .. IME you can strip the water of nutrients very quickly ..
     
  6. sternicus

    sternicus Well-Known Member

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    Tds 0, topping off with rodi from spectrapure. Tank up and running since early August. Tank cycled properly and corals thriving but I was trying to lower nitrates with nopox so I can start keeping Acros better. Is cyano only red?
     
  7. Jason mack

    Jason mack Monti madness R2R Supporter R2R Excellence Award Reef Squad Build Thread Contributor

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    Have you added any livestock recently ??
     
  8. sternicus

    sternicus Well-Known Member

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    Yeah maybe a month ago but literally didn’t see any problems until yesterday, 3 days after starting no pox
     
  9. Jason mack

    Jason mack Monti madness R2R Supporter R2R Excellence Award Reef Squad Build Thread Contributor

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    4 months is still young for a tank , in fact it’s still possible too have diatoms and Gha for the first 6-8-10 months .. are your no3 and po4 high .. can you list your parameters and what your upstart process was eg live rock / dry rock
     
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  10. mcarroll

    mcarroll Well-Known Member R2R Supporter R2R Excellence Award

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  11. sternicus

    sternicus Well-Known Member

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    Sure can, nitrates are about 25 , phosphates around 0.06, alk 8.3 ph 8.2 salinity 1.025. Used live rock live sand. This isn’t my first tank by any means. Is my third upgrade in 4 years. Just never had this happen this late into a tank, and can’t possibly see the nopox creating diatoms but I’m sure it’s possible. If it’s cyano, it’s good to blow it off correct?
     
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  12. sternicus

    sternicus Well-Known Member

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    Also, I’m going about half I suggested dosage to make sure I don’t strip it that fast.
     
  13. sternicus

    sternicus Well-Known Member

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    Problem it isn’t that new and it has some cycled rock. Are you sure after almost 5 months it could be giving a problem?
     
  14. mcarroll

    mcarroll Well-Known Member R2R Supporter R2R Excellence Award

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    @sternicus There's no such thing as a sure thing. ;)

    I'd still cease carbon dosing to see if it goes away. No need for carbon dosing anyway.

    Your nitrates are fine but your phosphates are very low – near zero.

    That's enough NO3 for the carbon dosing to allow bacterial growth to tap out your phosphates.

    You do not want that to happen....and locally where you see dino's, it's already happening. Dino's feast on bacteria as they bloom.
     
    Last edited: Dec 6, 2017 at 6:52 PM
  15. sternicus

    sternicus Well-Known Member

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    So when would be the best time to start dosing again? My nitrates are causing my sps to stn from the base up and I wanna lower them some how other than water changes because that isn’t working
     
  16. mcarroll

    mcarroll Well-Known Member R2R Supporter R2R Excellence Award

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    Nitrates do not cause corals to STN, so just put the nopox on the shelf for now. It'll keep! :)

    STN is from the low-PO4...possibly along with another stressor or stressors.

    Most commonly STN is starvation-related unless it's an old colony. Then if can be light- and/or flow-related too.....all (PO4, flow, light, NO3) are inter-related.
     
  17. sternicus

    sternicus Well-Known Member

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    Actually nitrates do cause stn, and when they were stning my phosphates were much higher and were dropping. Have one acros now when my tank was at .10 phos and still was stripping.
     
  18. Jason mack

    Jason mack Monti madness R2R Supporter R2R Excellence Award Reef Squad Build Thread Contributor

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    You could try running gfo in a media reactor too control your po4 .. I found that when I dosed nopox it seems too strip po4 a lot faster than no3 .. but that’s just my experience with it
     
  19. sternicus

    sternicus Well-Known Member

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    Flow can definetly be an issue, as I have only one jebao pp-8 on a 90g tank. Think that’s a major issue causing the stn?
     
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  20. sternicus

    sternicus Well-Known Member

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    Also I blew the unknown substance away before dinner 2 hours ago and now it’s coming back. I’m leaning more towards it being diatoms now
     
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