wierd problem with high no3 and po4 but cant grow chaeto

Discussion in 'Reef Chemistry by Randy Holmes-Farley' started by tokigami, Mar 8, 2018.

  1. tokigami

    tokigami Active Member

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    HI,

    I have a weird problem. I have 20ppm no3 its off the charts. I also have po4 around .04PPM

    I have 0 algy in my tank and also cannot grow chaeto. I tried dosing iron but it still didn't help with the chaeto. I want to grow the chaeto to bring down my n03.

    is there anything wrong with my tank in why I cant grow chaeto. I have it in a chaeto reactor and run the lights 24.7

    weird..
     
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  2. Crabs Mcjones

    Crabs Mcjones Millepora Maniac Staff Member Team R2R R2R Supporter R2R Excellence Award Partner Member 2019 R2R Secret Santa Reef Tank 365 Build Thread Contributor Article Contributor

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    What test kit are you using? To have those levels and no algae whatsoever doesn't sound right at all.
     
  3. tokigami

    tokigami Active Member

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    I agree I am using red sea pro

    Maybe it is a faulty kit .. That's why I find it wierd
     
  4. james983

    james983 Active Member

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    Cheato does not do well if you run the lights 24/7. It will not go sexual like caulerpa so don't worry about that happening. Give it 8 hours of darkness.
     
  5. Crabs Mcjones

    Crabs Mcjones Millepora Maniac Staff Member Team R2R R2R Supporter R2R Excellence Award Partner Member 2019 R2R Secret Santa Reef Tank 365 Build Thread Contributor Article Contributor

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    How old are your kits? They do expire. Check your dates
     
  6. Tombones

    Tombones Member

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    How is your iodine? I think dosing some can help.
     
  7. tokigami

    tokigami Active Member

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    Ok thanks for the tip.. I do have chaeto in another system and it grows amazing and running 24.7. Do you think somehow it's different in this system and will work better on 12 hour light cycle
     
  8. tokigami

    tokigami Active Member

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    I actually never tested iodine nor tested for it I shoild look into that
     
  9. Tombones

    Tombones Member

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    Be careful and read about dosing iodine. Most tanks that don't dose it are deplete as it is used up rather quickly. I dose iron and iodine and my cheato grows like weeds. I ran my fuge lights for 16 hours but cut back to 12 because my nitrates became too low.
     
  10. tokigami

    tokigami Active Member

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    Thanks I'm going to read up on iodine
     
  11. Randy Holmes-Farley

    Randy Holmes-Farley Reef Chemist Staff Member Team R2R R2R Supporter R2R Excellence Award Article Contributor Expert Contributor

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    I agree with iron, but I have shown experimentally that iodine dosing did not help macroalgae (chaeto and caulerpa) grow faster compared to water depleted in iodine.
     
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