Green algae spots on the rock

[ahmadbw]

Hello all, Please need your help with these green spots on the rock in my new tank .

Thanks

 

[Reincarnate]

If they don't come off the rocks with ease then what your seeing is probably just a prelude to the purple Coralline algae we all love so bad.

 

[ahmadbw]

Thank you , they don't come with the rock

 

[mcgyvr]

Welcome to a new tank.. Its normal and will go away/change on its own normally..