Water Stabilizer & Conditioner is essential in keeping your chlorine sanitizer working effectively. Acting as a protective barrier against the damaging effects of the sun, Water Stabilizer & Conditioner allows your chlorine sanitizer to last longer. This pool chemical will make bacteria and algae elimination more efficient. Use it when you open your pool for the season or apply as needed to enjoy swim-ready water while saving money on chlorine costs. The lowest recommended CYA (cyanuric acid) level in a chlorine pool is 30ppm. The lowest recommended CYA level for saltwater chlorinated pools is 60ppm.