Aquaforest DI Resin is a premium, ready-to-use demineralization media designed as the final purification stage for reverse osmosis (RO/DI) filter systems. It strips remaining total dissolved solids (TDS), silicates, nitrates, dissolved carbon dioxide, and trace impurities from RO water, producing pristine $0\text{ ppm}$ TDS water essential for sensitive marine and reef aquariums.
Key Features & Benefits
0 TDS Water Production: Eliminates the final traces of dissolved minerals to ensure ultra-pure $0\text{ ppm}$ output for reef tanks.
Silicate & Impurity Removal: Binds difficult-to-remove silicates and carbon dioxide that cause nuisance diatom and green algae outbreaks.
Ready-to-Use Formula: High-purity deionizing resin requires no pre-washing or chemical preparation before loading into filter cartridges.
Prevents Reef Contamination: Protects delicate corals and invertebrates from harmful heavy metals, chloramines, and tap water impurities.
How to Use & Safety Guidelines
Placement: Pack resin tightly into a refillable DI canister and install it as the final stage of your Reverse Osmosis (RO) filtration system (after the RO membrane).
Replacement Schedule: Replace the resin immediately when an inline or handheld TDS meter indicates an output reading greater than 001 ppm.
Handling Safety: Causes serious eye irritation. Wear protective gloves and eye protection when handling. Wash hands thoroughly after use.
First Aid: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. If eye irritation persists, seek medical advice or attention.
Technical Specifications
Product Type: Mixed-Bed Deionizing (DI) Resin
Primary Application: Final Stage RO/DI Water Purification
Target Impurities: Silicates, Nitrates, Carbon Dioxide (CO_2), Heavy Metals, Residual TDS
Replacement Threshold: Output reading > 001 ppm TDS
Hardware Compatibility: Standard 10-inch refillable DI cartridges and inline RO housings
Frequently Asked Questions (FAQ)
Q: Why is DI resin necessary if I already have a reverse osmosis (RO) membrane?
A: Standard RO membranes reject 95–98% of total dissolved solids, but troublesome ions like silicates, nitrates, and dissolved CO_2 can slip through. DI resin absorbs these remaining contaminants to bring your water down to absolute 0 ppm TDS.
Q: Why does my DI resin deplete quickly?
A: Rapid depletion is usually caused by high levels of dissolved CO_2 in municipal tap water, an exhausted RO membrane passing high-TDS water into the resin, or loose packing inside the DI canister causing water channeling.
Q: Can I rinse DI resin in tap water before placing it in the canister?
A: No. Rinsing DI resin in tap water will instantly exhaust its binding capacity with tap water minerals. Pack the dry resin directly into your canister and run the first few liters of RO water through to purge air pockets.
Recommended Complementary Products
Dual Inline TDS Meter: Essential for constantly monitoring water purity before and after the DI resin stage.
Refillable 10-Inch Filter Cartridge: High-clarity housing for packing loose AF DI Resin securely into standard RO units.
Aquaforest Reef Salt: Combine with pure 0ppm RO/DI water to mix natural, parameter-balanced seawater.
📦 Volume: 1000ml
