Pro Cation DI Resin (Color Changing) Size:6 Refill Bulk No longer are you limited

No longer are you limited to using a fixed amount of power per channel

Reef Safe Yes Water Parameters Salinity 1

It is suggested by Borneman that phosphates are a direct poison to calcification

NSF Certified

Reduced effect on skimmer foam when first changing a new roll

Pro Cation DI Resin (Color Changing) Size:6 Refill Bulk No longer are you limitedCation Single Bed Color Changing DI Resin is great for people that want to be more efficient with their deionization resin usage. Single bed resins do require the use of a cation and anion resins followed by a mixed bed resin, but produce much better results, and are much more efficient!