Suitable for pool maintenance professionals and spas operators seeking a solution for pristines pool and spotless tiles Whether you ' re dealing with stubborn marks or unsightly waterlines deposits, this cleaning set is perfect for use in concrete plaster pools and spas Transform your pool cleaning with the pool pumice stone and brush, designed to tackle even the toughest rust and stain Enjoy a cleaner, more inviting pool environment with this easy to use set that ensures your pool remain relaxation for family and friend This set features a pumice stone that effectively erases stain without excessive wear, paired with a brush for thorough scrubbing action