The 8 pounds of premium cation charged bulk deionization resin is an essential component for achieving laboratory-grade water quality in saltwater aquariums. This product uses the most efficient RO membrane material to remove up to 98.6% of Total Dissolved Solids (TDS) from tap water, and the DI resin ensures a final purification step that reaches an impressive 18 Megohm resistivity level, virtually eliminating all contaminants such as phosphate, silica, nitrate, sulfate, aluminum, calcium, etc., to deliver absolutely pure water for your reef aquarium. It is manufactured in the USA with virgin resin, ensuring it is free from recycled materials and comes in a color-changing form that alerts you when it needs replacement. This product is trusted by the reefing community for its reliability and effectiveness over two decades.
| Resin Color | Purple |
| Polymer Type | Gel |
| Physical Form | Spherical Beads |
| Total capacity | > 1.8 meq/mL (H Form) |
| Water Retention | 47 to 56 percent (H Form) |
| Functional Group | Sulfonic Acid |
| Polymer Structure | Styrene/DVB |
| Minimum Sphericity | 85 percent |
| Maximum Fines Content | 1 percent (less than 50 Mesh) |
| Uniformity Coefficient | 1.6 (Approximate) |
| Ionic Form (as shipped) | Hydrogen |
| Screen Size Distribution | 16 to 50 (U.S. Mesh) |
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8 lbs Premium Cation Charged Bulk Deionization Resin (Color Changing) RODI
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Reference reading: Species guide on Codexery
Species guides on Codexery
- Six-line wrasse — Scientific name: Pseudocheilinus hexataenia · Family: Labridae source
- Yellow tang — Scientific name: Zebrasoma flavescens · Family: Acanthuridae source
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