Simply adhere to the maintenance schedule every two weeks. PristineBlue is EPA approved across all 50 states, holds NSF 60 Certification, and is equipment-friendly. It works effectively with various systems, including salt and chlorine. PristineBlue can be used safely on all pool and spa surfaces. An authorized dealer can evaluate your water, provide product recommendations, and support you in all aspects of pool and spa care. We are an authorized dealer and have a dedicated Customer Service team to help you keep your water clear by providing product recommendations, and support you in all aspects of pool and spa care.