"things" in the tank
Hi, I'm a new user from Italy.
I write here hoping to get some help...I'm very curious about little "things" that appeared in my tanks a few days ago.
They resembles little range, their size is about 1 or 2 mm and they are everywhere in the tank.
I wrote in italian freshwater aquarium forum but noone was able to identify them.
Thanks for the help, I apologize for any error in the message
ps: they are not Hydra Virdis
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