Brown spots in Sump

6BEDF0AF-257F-4736-A4AC-1285A64D66C6.gif


Do you have a picture?
 
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Welcome. This sounds normal for a new tank. Pics though...
black ish appearance GIF
 
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Likely mulm or sediment but pics under white light will be helpful with verification of what it is
 
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Welcome to R2R and the salty world. Hopefully the picture will bring some advice. Lots of knowledgeable and helpful people here who will support and advise you when needed.
 
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Hello @Capt502 and welcome to R2R!! Glad you joined us!! For some more advice on what to do about the brown spots, go to the New to the Hobby subforum especially if you consider yourself a beginner.
 
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HOW MUCH DOES A FISH’S FEEDING REQUIREMENTS AFFECT YOUR STOCKING DECISIONS?

  • A lot! - I avoid fish that require frequent or specialized feeding

    Votes: 6 33.3%
  • Quite a bit, but an automatic feeder can change my answer

    Votes: 3 16.7%
  • It depends on whether my nutrient export can handle it

    Votes: 3 16.7%
  • It depends on how badly I want the fish

    Votes: 5 27.8%
  • Not much. I’m willing to adjust my routine

    Votes: 4 22.2%
  • Not at all. Feeding demands don’t limit my stocking choices

    Votes: 4 22.2%
  • I usually learn about the demanding feeding schedule after buying the fish!

    Votes: 1 5.6%
  • I haven’t really considered this before

    Votes: 0 0.0%
  • Something else (see my comments in the thread)

    Votes: 0 0.0%
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