Must one worry about these algae

Discussion in 'Nuisance Algae' started by Fishcrazy, 4 Mar 2015.

  1. Fishcrazy

    Fishcrazy

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    Hi guys

    I've noticed that during the past 2 weeks I've got a algae bloom in my tank. Must I worry about these algae in the pictures?

    I do a 10% WC every second week, so +- 20L. I dose Special Blend once a week. I add Aquavitro Fuel and Reef Zoo Plankton once a week and then Live Phytoplankton twice a week (All on different days). I think this might be the problem, because it is also "feeding" the algae. BUT I wanted to get my pod population up. I'm thinking of cutting down to only 3 (1 of each product) per week.

    All my parameter were fine except the temperature, but with the 4 fans running it comes down to 25 in the evening and cooler day.
    NH4 = 0
    NO3 = 9
    Ca = 480
    Alk = 8
    Mg = 1500-1550
    Salinity = 1.025-1.026
    pH = 8.4
    Temp = between 25 - 28

    I've got a few snails, sand sifting starfish, Blenny and a Regal Tang that eat some of the algae.

    What else can I do? Or is there no need to worry?

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  3. TaahirS

    TaahirS MASA Contributor

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    I looked at the first pic and was like it's not that bad. Then I saw the rest.:m12:
    Your nitrates are high. What are your phosphate levels?
     
  4. TaahirS

    TaahirS MASA Contributor

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    I think you are right that you are adding too much coral food. Maybe even cut back to fuel once a week with special blend.

    If you want to you can maybe add another product in between but imo that would be too much.
     
  5. Express Reef

    Express Reef

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    Would like to know your PO4 levels. For a start, you can cut your light cycle or even run a 3 day black out...
     
  6. Fishcrazy

    Fishcrazy Thread Starter

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    My phosphate levels is 0.01
     
  7. Fishcrazy

    Fishcrazy Thread Starter

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    Currently I'm running my blue lights for 12 hrs, and white light for 10 hrs. Thinking of cutting it to blue 10 hrs and white 8 hrs.

    Will that be okay, and will the nennies still be happy?
     
  8. Express Reef

    Express Reef

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    seriously doubt the PO4 level, what test kit do you use? Can be that your live rock is leaching PO4
     
  9. TaahirS

    TaahirS MASA Contributor

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    Yes, the nennies will still be happy. Why do you want lots of pods? They are good but in a stable tank they will thrive even without all the food.
     
    Last edited: 4 Mar 2015
  10. Fishcrazy

    Fishcrazy Thread Starter

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    I'm so worried my Mandarin will starve..... I can't see any pods.
     
  11. Express Reef

    Express Reef

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    For a start you can run a black out for 3 day period and cut your light cycle to 6h per day. When last did you change the bulbs on your light unit? What type of light do you use? T5 Led?
     
  12. TaahirS

    TaahirS MASA Contributor

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    Ok. Go look at night and see.
    How old is your tank?
     
  13. KeeganP

    KeeganP

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    There are a lot of air bubbles,
    Which leads me to believe you may have to little flow?

    Do you have flow dead spots? detritus will settle and cyano algae will grow.
     
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  14. Express Reef

    Express Reef

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    By looking at pic 2, it looks like cyanobacteria aka red slime... how much flow do you have?
     
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  15. TaahirS

    TaahirS MASA Contributor

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    Just another thing...
    Sand sifting starfish need very, very big, established systems.
    They will slowly starve to death in a smaller tank. It will die under the sand and you won't know. It will then cause an ammonia spike.
     
    Last edited: 4 Mar 2015
  16. Fishcrazy

    Fishcrazy Thread Starter

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    I will keep my eye on the starfish, the system is over 3 years old, I bought it over from someone.

    Only other major thing I did was 2 weeks ago was moving and aquascaping my LR. But I did do a WC afterwards, and tested all my parameters. Everything tested fine.
     
  17. Fishcrazy

    Fishcrazy Thread Starter

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    I'm using the Salfert testkit. How does LR leaching happen?
     
  18. TaahirS

    TaahirS MASA Contributor

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    The phosphate comes from the live rock.
    The algae then uses it up before it gets into the water column.
    Thus not showing up on your test kit.
     
  19. Fishcrazy

    Fishcrazy Thread Starter

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    It is just over 3 years old. The previous owner had it for 2+ years. I bought it over in November, so 4 months with me.
     
  20. Fishcrazy

    Fishcrazy Thread Starter

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    Wow, didn't know that can happen... So how does one stop it from leaching?
     
  21. RiaanP

    RiaanP Moderator

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    Mostly overfeeding and insufficient filtration

    Also, not enough water flow.
    Old globes, if you got T5 or MH, when last did you replaced it?
     
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