id please

[mydemun]

hi everyone , i just finished my tank cycle , nitrates was testing high yesterday but i will test again today and see how did it go after %20 water change
so that been growing for the past 3 days maybe more im not sure tried to id it myself but just cant find which one is it

its the growth on my rock what is it ?
no fish in the tank

 

[I never finish anythi]

Maybe I'm blind or something, but I don't see anything. Maybe circle what you mean

 

[mydemun]

sorry my bad

 

[shakacuz]

could be a sponge, or particles settling from the additives you're dosing for the cycle

 

[I never finish anythi]

Hard to tell . Try and get a picture closer up !