Phos free - 1L Pack:Pack of 4 Standard shock treatment: Reach a

Standard shock treatment: Reach a residual chlorine level of 5-10 ppm

Compatible with saltwater pools thanks to its Viton mechanical seal

and more precise circulation control

GoPool AG1 1

Phos free - 1L Pack:Pack of 4 Standard shock treatment: Reach aPhos Free is a high quality pool water treatment product to effectively remove phosphates. Phosphates are one of the main causes of algae growth in swimming pools, so removing these contaminants is essential to maintaining crystal clear, clean water. This product is easy to use, just pour the necessary amount of Phos Free directly into the skimmer, wait 48 hours, then backwash. For spas, simply put the required dose in the spa and 12 hours later