Adding Rock

[Aubonsmains]

I have some live rock that I removed from my tank a while back because I felt there was too much. So, now I would like to put one piece back. ...it has been sitting outside in the sun, rain , etc for a while now. Can I do this???

 

[JUNBUG361]

Rinsed clean & add. Might have small cycle or not

 

[Aubonsmains]

Thank you.