Pristiva® PRU35220 Introducing Pristiva Power UVA – the perfect pool care solution for salt water swimming pool owners! Specially designed to work with the unique properties of salt water, Power UVA uses Hydroxyl Radicals to transform the natural power of the sun’s UV light into a powerful oxidizer, maintaining water that is sparkling clear and inviting. Power UVA is also an innovative, complete replacement for the use of raw stabilizer (CYA) in a salt pool