Beginner - how much pressure to apply to tiles when pressing in to adhesive on wall?

[Stoobloo]

Most tutorials suggest 'pushing firmly'. How do you know how firmly, and how can you ensure that each tile is 'equally' pushed into adhesive, ensuring it's level?

 

[Tile Marble Granite]

Most tutorials suggest 'pushing firmly'. How do you know how firmly, and how can you ensure that each tile is 'equally' pushed into adhesive, ensuring it's level?

You need to kill the trowel notches. Butter the wall/floor and the back of the tile, then you trowel the wall or tile. You will get a good bond. When you kill the notch, slide the tile left to right or up and down, small moves just enough to kill the notch. Don't forget to send us some pictures!