white staff covering one of my live rock

Theseas

Reefing newb
i see this white thing covering one of my live rocks, anyone knows what is this>?

the last 2 days i see growing...

ph.8.2
ammonia 0.0
No2 0.0
No3 10.0 !!!!
 

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Pull it out if you can and treat with Furan! I just went through the same thing with a group of zoas. You can treat the entire tank at once as well. If you do, be prepared to do a large water change and run carbon afterwards.
 
It is a bacteria I believe. Not sure what causes it. You can do a Google search for the product mentioned and find out exactly how to use it, and what to expect.
 
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