Step 2: Increase the Whites with Levels
Clarendon effect overexposes a photo. Your highlight turns into something extraordinarily white. We’re going to do the same thing here. We can either use Levels or use Curves. But I think that Levels is better for this job because you get better control of your settings.
Go to Layer>New Adjustment Layer>Levels
Slide the white bar to the left such that its value is 198. Please refer the screenshot below for better understanding.
Step 3: Again, Use Filter for Aqua Color
Now, we’re going to use Filter again. But this time we’re going to give some aqua color effect to the photo.
Go to Layer>New Adjustment Layer>Photo Filter.
Change the Filter to Underwater and increase the density to 55%. Make sure that the luminosity is turned on.
Unfortunately, we don’t have any aqua filter so we should be satisfied with the Underwater. Yes, we can choose a custom color but underwater serves our purpose.