Today we are going to practice some amazing glow effects, in combination with some PS standard filters. So let's begin.

As usual create a new document and a new layer.

how to create glow effects

Fill the gradient with Reflected gradient (Black and White).

how to create glow effects

Now do this thing – it will be explained later on.

Create a new Alpha channel use
 
black-white gradient on it. Load the selection and use Ocean Ripple (only selected Area!).

how to create glow effects



how to create glow effects



how to create glow effects



how to create glow effects

Play with settings – I chose this. And the result is:

how to create glow effects