The AquaFX Anion DI Resin CC Refill 1.4lb is a crucial component for any saltwater or reef aquarium RO/DI system, designed to produce laboratory-grade 18 Megohm pure water. This color-indicating resin changes from blue to amber when exhausted, providing a clear visual cue for replacement. It effectively removes remaining total dissolved solids (TDS) after reverse osmosis, targeting contaminants such as phosphate, silica, nitrate, sulfate, aluminum, and calcium to achieve a complete 0 TDS output.

Manufactured in the USA, this high-quality DI resin features a Styrene/DVB polymer structure with a gel-type, spherical bead physical form. It is supplied in the Hydroxide ionic form and boasts a total capacity greater than 1.0 meq/mL, with water retention between 55 to 60 percent. Key specifications include a minimum sphericity of 93 percent, a maximum fines content of 1 percent, and a functional group of Trimethylamine, ensuring consistent performance and durability.

This product is ideal for reef and saltwater aquarium enthusiasts committed to maintaining pristine water parameters and eliminating potential water quality issues. It is specifically formulated as an Anion charged resin and is best used in conjunction with a Cation and a mixed bed DI resin to ensure the most comprehensive removal of contaminants, providing a safe and trusted solution for the health and vitality of your aquatic environment.