Hard to keep the manufacturer's tales straight anymore. One school of thought is to never waste your time on anything that has Carnauba in it, wears off too soon. Another says never polish or do anything to the hull bottom it will slow you down. Obviously, they all can't be right.
Mine's going up on stand jacks soon so I can both polish and seal it. Last year the pine pollen made quite the mess. My boat is still pretty darn shiny after sitting around all winter, and my last application of product was one year ago April. I used Gel Coat Labs then, and I have plenty left