CuLator SpaPak Metal Eliminator and Stain PreventerCuLator SpaPak Metal Eliminator and Stain Preventer One SpaPak Lasts 6 Months! The CuLator SpaPak is the only option for quickly and permanently removing copper, iron, manganese nickel, cobalt, lead and silver from fresh, hard and salt water spas. The CuLator Metal Eliminator is the only product that actually eliminates metals from hot tub water. As water passes through the CuLator SpaPak, stain causing metals are permanently trapped inside. Each