Pool Coping Paint?

QUESTION: How do I paint bare aluminum pool coping on a vinyl liner pool?

Follow manufacturers directions and get RAMUC COPING SPRAY PAINT: https://www.ramucpoolpaint.com/products/accessoryproducts/coping-spray-paint/

The coping around the top of a pool is typically very durable, but it can discolor and age thereby diminishing the appearance. Avoid expensive and time-consuming coping removal and replacement by using COPING SPRAY PAINT to brighten, restore the appeal and protect the existing coping material.
Information
Facts: Non-slip, white gloss finish Easy, comfort tip spray application VOC Compliant Adheres to virtually all surfaces Fade resistant
Application: Spray
Coverage: Approximately 25 sq. ft. per unit
  @ 70 degrees F – Dry to touch before recoat: 24 hours; Dry before water contact: 24 hours
Clean-up: Wipe off tip before storing. Properly discard empty container. Do not burn or place in home trash compactor. If the valve clogs, twist and pull off spray tip and rinse in a solvent such as mineral spirits. Do not insert any object into can valve opening.