White Stringy Substance on Rock

mjh_polo

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Hi, I set up my reef aquarium yesterday. It is cycling at the moment. I see that there is some white stringy substance attached to the rock. Can someone please identify what it is for me? Thank you in advance.

IMG_5679.jpeg
 

Dan_P

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Hi, I set up my reef aquarium yesterday. It is cycling at the moment. I see that there is some white stringy substance attached to the rock. Can someone please identify what it is for me? Thank you in advance.

IMG_5679.jpeg
Not sure what would be growing in just 24 hours. Is the purple rock live rock?
 

Dan_P

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Yeah I bought some cultured live rock from my lfs.
The strings could be bacteria, diatoms or dinoflagellates. Need to get them under a microscope to tell for sure.
 

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