What's Growing in My Tank

Discussion in 'General Reef Aquarium Discussion' started by Justin McDevitt, Feb 8, 2020.

  1. Justin McDevitt

    Justin McDevitt New Member

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    20200208_201814.jpg Can anyone tell me what this is on top of the live sand? Cleaned all of it off the top last weekend when I did a water chang . So this is 1 week.
     
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  2. DaveK

    DaveK Well-Known Member

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    This is a cyano, or red slime outbreak. It's very common in new tanks. Keep fighting it, but above all don't panic.

    I do not recommend every using any of the red slime remover products, because unless you fix the root cause, you'll do a lot more harm than good.

    Usually a new tank will go through several blooms of unwanted algae over the first 6 months or so. Maintain your water quality and they will pass even though the tank looks terrible for awhile.
     
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    nanoreefing4fun and PSU4ME like this.
  3. Alf

    Alf Member

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    I'm with Dave on this good husbandry and time will clear this up, Increase current flow will help this also.
     
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    nanoreefing4fun likes this.
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