75g tank

[Mike1995]

So here's my 75g. Just looking for some opinions and suggestions .
I moved the rock around a little to create some arches and stuff . Is there anything I should change? Also got a new skimmer. Bubble Magnus curve 5. I put some live rock in the sump. As well as the heater etc . I know I might be a bit of a silly question, but will any of the whiter rock ever be darker like the live stuff?

 

[James M]

Nice tank .Any fish ?Yes the white rock will turn into live rock soon . I would give it a couple of months

 

[PanchoG]

Hello, nice tank, are you sure the rocks do not move?

 

[Mike1995]

Hello, nice tank, are you sure the rocks do not move?

I don't think so. I kinda locked the edges of them together. I have a lot of flow too. Would fish knock them over ?