CuLator PowerPak 1.0 is great for maintaining a metal-free pool. Each PowerPak removes and eliminates 1.0 ppm total dissolved metals from 20,000 gallons. For best results keep a PowerPak 1.0 in your skimmer and change monthly to help prevent metal stains.
WARNING: The following product(s) can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov