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Purolite

Purolite MB400IND (1 Lb) Color-Changing Mixed Bed Resin

Product Code A4146-1LB

$25.00
Additional Details

Applications

Aquarium and reef-keeping systems

Window cleaning spot-free rinse

Laboratory and medical water

Final polishing stage after RO filtration




Purolite MB400IND Color-Changing DI Resin – 1 Lb

The Purolite MB400IND is a high-performance mixed bed deionization resin ideal for reducing total dissolved solids (TDS) in water purification systems. This 1 LB container includes a 1:1 volumetric mix of Purolite A4146 cation resin and strong base anion exchange resin.

This premium color-changing DI resin begins blue/black and turns orange when exhausted—giving a visible signal when replacement is needed.

Key Features

  • Mixed-bed DI resin (Purolite A4146 blend)
  • 1:1 cation and anion resin ratio for balanced ion exchange
  • Color change from dark to orange when spent
  • Removes total dissolved solids for ultra-pure water
  • 1 LB package perfect for refillable DI cartridges

Specifications

Attribute Value
Product Name Purolite MB400IND
Type Mixed Bed DI Resin
Form Spherical Beads
Resin Volume 1 LB
Color Change Blue/Black to Orange
Resin Ratio 1:1 (Cation:Anion)
Usage Indicator Visual exhaustion color shift
Ideal For Aquarium RO, Labs, Spot-Free Rinse Systems

When to Replace

When the resin changes color from blue/black to orange, it's time to replace the contents. Regular monitoring with a TDS meter is recommended to ensure peak performance.

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