CARMATE Porta Potty AQUA Portable Toilet Stain PP100 RINSE, 750ml, Resistant, Pink,

A concentrated stain-resistant agent that is added to the flush water tank of a porta potty portable toilet. Every time you flush the toilet, it coats the surface of the bowl to prevent dirt from adhering. Use 50ml for every 15L of water in the cleaning water tank. The container has a measuring tape so you can easily see the amount to add. *Contents: 750ml The cap has a locking mechanism to prevent tampering and misuse.