DI Resin (Color Changing),DI Resin is necessary to reduce Total Dissolved Solids (TDS) to zero and is the last stage of an RO/DI unit. It is not necessary to use the expensive proprietary DI cartridges that other RO manufacturers sell. Simply buy a refillable DI cartridge if you don't have one already and fill with DI resin.
Upgraded by RO/DI Filter - Three Stage DI
AquaticLife Color-Changing di Resin Refill Bags with Refillable 10 Water Filter Cartridge for Reverse Osmosis Deionization Rodi System Units
ResinTech CC Mixed Deionization Resin Bed Color Changing 2.5 lb Bag
Aquatic Life Reverse Osmosis Deionization (RODI) 10 Color
Bulk Mix-Bed DI Resin (Color-Changing) 1.25 LB-MB-DI-CI
BRS Bulk Deionization Resin (Color Changing) – Reef Goods
DI Resin Replacement Deionization Color Changing, TDS, Aquariums
Aquatic Life uses a combination of Cation and Anion resins to remove Total Dissolved Solids (TDS) from water as it passes through the cartridge. The resin changes to a tan color when it needs changing. Age.
Aquatic Life Reverse Osmosis Deionization (rodi) 10 inch Color Indicating Mixed Bed di Resin Cartridge 3-Pack
BRS Color Changing Resin Defective?, Page 2
MixedBedResin Filters are the most popular and exceed the performance of older types ofcartridges. TheDIresin process purifies the water by passing water through two resins that have opposite charges to remove ionized minerals and salts from the water. The plastic beads contain charged anions and cations. The beads with the negative charge are anion resins, and the resins with a positive form are cation resins.
SpectraPure Mixed-Bed Color-Indicating Super di Cartridge
Triple Deionization Saver canister kit complete with HM Digital Triple Inline TDS Meter & BRS Pro Series Single Bed Cation Resin, Pro Series Single
Triple DI Saver Kit with Resin and TDS Meter - Bulk Reef Supply
How to replace DI resin