Color Indicating - Anion Resin

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Your Price: $59.99
Blue Anion DI Resin 8.4 Lbs
Part Number: F-MB-AIDI-CI-8.4LBS

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Color Indicating Anion DI Resin from AquaFX. Color changes from Blue to Amber upon exhaustion. 

What is Deionization Resin?

AquaFX reverse osmosis (RO) units use the worlds most efficient RO membrane material to achieve a 98.6% rejection of TDS from your incoming tap water, but we can't stop there. The issue is that we need a full 100% removal of TDS for our reef or salt aquariums, the quality of water we produce with our DI resin is actually laboratory grade 18 Megohm. DI resin has been the go-to answer for close to 2 decades here at AquaFX. Our USA manufactured DI resin has been a safe a trusted solution for the reefing community the entire time. 

This resin is the Anion charged resin charged with Hydroxide. Using this resin in conjunction with a Cation and a mixed bed DI resin will yield a complete removal of contaminants such as phosphate, silica, nitrate, sulfate, aluminum, calcium, etc allowing you to achieve 0 TDS water for your aquarium and help eliminate any possible water quality issues. 

Product Specs:

Polymer Structure


Polymer Type


Functional Group


Physical Form

Spherical Beads

Ionic Form (as shipped)

Hydroxide Form

Total capacity

> 1.0 meq/mL (OH Form) 

Water Retention

55 to 60 percent (OH Form)

Screen Size Distribution           

16 to 50 (U.S. Mesh)

Maximum Fines Content

1 percent (less than 50 Mesh)

Minimum Sphericity

93 percent

Uniformity Coefficient

1.6 (Approximate)

Resin Color



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