This Sanitation Kit includes a 6-month supply of cleaning essentials for your cold plunge: 16 oz Sirona Sanitizer 32 oz Sirona Oxidizer 16 oz Sirona pH Up 16 oz Sirona pH Down 25 testing strips. By using our Sanitation Kit and following its cleaning protocol, you can extend the lifespan of your cold tub water to at least 3 months, saving you time and effort compared to the frequent water changes required without proper sanitization. These sanitization products are free of chlorine and bromine