Pro Cation DI Resin (Color Changing) Size:6 Refill Bulk High Capacity GFO is the

High Capacity GFO is the best performing GFO we stock and capable of removing close to twice the phosphate as standard GFO by volume

Enriched formulation

meaning it has smaller particles held together with an unflavored gelatin binder

Feed Your Fish and Not Your Algae

Pro Cation DI Resin (Color Changing) Size:6 Refill Bulk High Capacity GFO is theCation 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!