Live rock into existing tank

[FrootStick]

Hey guys
So I'm wondering what effect adding some new live rock to my established tank could be. I'm looking at building up one of the sides some more with 5-10kg of live rock.
What problems could I have? Or will it be fine?
It's a reefer 350
Thanks

 

[Duke4Life]

As long as your not doubling what you already have there should be no issues.

 

[Shep]

Should be ok but you might see a small spike in some of your levels as the new rock cycles quickly.