White powder stuff on rock!

Indeco

New member
Hi, anybody have ideas on the white powder stuff that are growing on my rock?

Currently I'm doing my tank cycle for about a month and realized this white powder stuff start growing.

Is this a threat to my tank as I'm going to put my fish inside my main tank soon.
 

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Can't really see it in detail but I'd bet its just sponge growth which is harmless/beneficial..
Very little is actually a "threat" in this hobby..

Don't worry.. Have fun..
 
Can't really see it in detail but I'd bet its just sponge growth which is harmless/beneficial..
Very little is actually a "threat" in this hobby..

Don't worry.. Have fun..

Sorry unable to get a clearer picture...

Great to hear that is nothing threatening to the tank :)
 
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