SPA PHOS OUT ULTRATM 2 IN 1 is a fast-acting concentrated anti-phosphate treatment that improves filtration by coagulating tiny particles in the water. The resulting larger solids are captured by the filtration system. When used weekly, it continuously eliminates phosphates in the water.
SPA PHOS OUT ULTRATM 2 IN 1 has clarifying properties that leave your water crystal clear after only 12 hours. SPA PHOS OUT ULTRATM 2 IN 1 is not affected by chlorine and works in any pH condition. It will not alter the water’s pH level.