Spot channels are a great way to add extra color and brightness to your photos. But if you’re not careful, they can also become a headache. Here’s how to merge spot channels in Photoshop:

  1. Choose the channel you want to merge into the photo.
  2. Click on the Merge button in the bottom left corner of the photo editor.
  3. The merged channel will be added to the photo, and its color and brightness will be changed accordingly.