Orange/Brown spots forming in new 20 gallon long tank?

CichlidKeepingDude
Member
I am fairly new to the world of saltwater so I'm not sure if this is part of the cycle, or if I need to take action. There have been orange/brown spots forming on my dry rock and live sand, and it appear to be forming in my filter media as well. Can anybody classify what this is? Should I be worried, or is this nothing to worry about?
Pictures:

IMG_3869.jpeg

IMG_3868.jpeg

IMG_3866.jpeg
 
fish 321
Member
CichlidKeepingDude said:
I am fairly new to the world of saltwater so I'm not sure if this is part of the cycle, or if I need to take action. There have been orange/brown spots forming on my dry rock and live sand, and it appear to be forming in my filter media as well. Can anybody classify what this is? Should I be worried, or is this nothing to worry about?
Pictures:

IMG_3869.jpeg

IMG_3868.jpeg

IMG_3866.jpeg
Totaly fine, my dry rock in my new tank has that on it too its just what happens in a new saltwater tank. If you have ever seen live rock it gets its color from algae.
 
Jesterrace
Member
Standard Diatom (aka brown algae) bloom that comes in at the end of the cycle.
 

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