Jack's Magic Power Blue Waterline & Tile Cleaner is a great all around cleaner designed for use on all surfaces except for glass. Simply spray on and brush/ wipe off.
Spray directly on the surface to be cleaned. Lightly brush using an appropriate brush, sponge of cloth, and rinse. Safe for all pool & spa surfaces, vinyl, fiberglass, acrylic & tile.
Person with sensitive skin may need to use rubber gloves. Not for use on deteriorated or older liners, may remove oxidized print - always spot test first.