Kolar Labs Color Changing DI Resin (567g)
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Kolar Labs Mixed Bed DI Resin is a premium, nuclear-grade deionization media designed to bring Total Dissolved Solids (TDS) down to zero when used as the final stage in an RO or RODI system. Manufactured by Lanxess for ultra-high purity applications, this resin produces exceptionally clean water that is safe for freshwater aquariums, reef tanks, marine systems, ponds, and other aquatic environments requiring mineral-free source water.
Each batch is vacuum-sealed in durable mylar packaging to preserve freshness, maximize performance, and extend shelf life. The resin is a precise 1:1 blend of anion and cation gel-type ion exchange beads in the H⁺ and OH⁻ form, ensuring consistent, high-capacity removal of dissolved impurities. Available in both standard (non-indicating) and color-changing indicating formulas, hobbyists can choose visual exhaustion monitoring or rely on TDS meters for maximum efficiency.
Ideal for use after an RO membrane, this DI resin polishes water to laboratory-grade purity before remineralization for aquarium use. It is especially valuable in reef systems where even trace contaminants can affect coral health and stability.
- Resin Type: Mixed bed, gel-type strong acid cation and strong base anion resin
- Mix Ratio: 1:1 cation to anion
- Ionic Form: H⁺ / OH⁻
- Grade: Virgin nuclear-grade, laboratory purity
- Primary Function: Final stage TDS removal in RO/RODI systems
- TDS Output: Capable of reducing TDS to 0 ppm when resin is fresh
- Available Options: Standard non-indicating resin or color-changing indicating resin
- Indicating Resin Color Change: Purple to clear when exhausted
- Compatible Systems: Freshwater, saltwater, reef, marine, brackish aquariums and ponds
- Cartridge Capacity: 567 g (1.25 lb) fills one standard 2.5” × 10” refillable DI cartridge
- Packaging: Vacuum-sealed mylar bag for freshness and shelf stability
- Recommended Use: After RO membrane; pre-filter chloramines with catalytic carbon if present
- Post-Treatment Requirement: Water must be remineralized before aquarium use