Bulk Reef Supply

One Cartridge Refill (1.25 lbs.) DI Resin (Color Changing)

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DI Resin is necessary to reduce Total Dissolved Solids (TDS) to zero and is the last stage of an RO/DI unit. It is unnecessary 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. You'll save money and get the same results.

Color Changing DI Resin Refill

  • Fills 1 standard 10" refillable cartridge
  • Changes color when exhausted
  • Vacuum packed in foil lined 4mm Mylar bags to preserve quality (see below for more info)
  • 2 year shelf life


BulkReefSupply.com takes pride in the proper packing of our DI Resin. DI resin begins depleting when exposed to air. To avoid this we package all of our DI resin in foil lined 4mm Mylar bags AND vacuum seal it so no air is left in the package to deplete the resin while its waiting to be used. Our resin can remain packaged this way for 2 years without losing its capacity. Our bulk DI bags are perfect for reefers who process a lot of water or otherwise go through resin quickly. The bags are resalable via a featured zip-loc. Keep in mind this won't be as good as the original seal so we recommend them only for reefers who need a high volume of DI Resin. Otherwise purchase the single refill packs for optimal freshness up to two years.

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UPC 853710007148
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