Gud day mga sir. Bago lang po ako dito sa forum and I just want to share my experience with the Elevo Water Mark Remover. Its quite easy to apply using an applicator sponge (included in the package), and then wipe it with wet cloth (I used flanella). The marks will be out in no time. You may need to re-apply if you are not satisfied with the first application. But for me, just one application ok na.