Grout issue

[Indi]

Hello people need advice. I relayed three tiles in my kitchen couple of days ago and grouted them yesterdat afternoon . Ive this morming that some of the grout is darker in certain areas. Is the grout still drying ???

I think it might be that when i went over these certain areas the grout in the mixing bucket was getting a bit hard.

Any resolution to this can i go over again with a thin layer of grout

 

[WetSaw]

It might still be drying. Wait and see. Have you cleaned the grout haze from the rest yet? If so, with what?

 

[Indi]

Mmm thats what im thinking . I went over with a sponge testerday. Thought let the grput dry then give it a good clean

 

[Albert]

Did you cut something out of that joint with a grinder?