It is recommended to use Spa Clean after each use. Single use amount is 50mls.

AUTO-SHIP PROGRAMS OFFERS YOU 15% OFF REGULAR PRICE
**Your products will automatically arrive when they are needed**
By choosing “Auto-Ship,” you agree to be billed automatically and have replacement Spa.Clean sent to you via shipping annually. Genz-Ryan will automatically charge your credit card that was used on the original purchase. To cancel this service, you must call Genz-Ryan and declare your cancellation of the service. You may not cancel until after you have received your second order. Any questions, please call.

Spa Clean is a tarnish free formula that works in one easy application. It will flush clean the entire spa-bath system including jets, pipes, and pump.