White fur sized stuffs growing on the walls of my tank! Need help!

GermanDude

Candiru
MFK Member
Dec 30, 2014
198
83
46
Berlin
Hello guys!!!!! I need help ASAP! White stuffs are growing on the walls of my tank! Anybody knows anything about it?
Hello!
When did you start the tank?
Or did you do heavy changes, like many new plants or fish, new filter...?

It could be colonies of bacteria as well as fungus.
A pic could help.
 
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