
Purolite MB400IND (44 Lbs) Color-Changing Mixed Bed Resin
What's Inside the MB400IND
Full MB400IND Specification Sheet
| Product Code | MB400IND |
| Resin Composition | 50% Purolite C100H (hydrogen form) + 50% Purolite A400OH (hydroxide form) |
| Color Change Indicator | Blue to orange/amber when exhausted |
| Mesh Size Range | 16–50 mesh |
| Volume & Weight | 1 cubic foot / 44 lbs (20 kg) |
| Packaging | Factory-sealed bag, ready to use |
| TDS Removal Capacity | High (near 0 ppm when fresh, monitor with TDS meter) |
Where the MB400IND Fits
The Purolite MB400IND mixed bed resin works in standard deionization vessels, cartridge DI filters, spot-free rinse tanks, and aquarium RO/DI systems. It's designed for final-stage polishing after reverse osmosis membranes or as a standalone solution for commercial water treatment requiring ultra-pure output. Common applications include laboratory water prep, electronics manufacturing rinse systems, auto detailing spot-free drying, and reef aquarium makeup water. The color-change feature eliminates guesswork and prevents performance drop-off in critical applications. Replace when resin shifts from blue/black to orange or when TDS readings climb above your target threshold.
What's Inside the MB400IND
Full MB400IND Specification Sheet
| Product Code | MB400IND |
| Resin Composition | 50% Purolite C100H (hydrogen form) + 50% Purolite A400OH (hydroxide form) |
| Color Change Indicator | Blue to orange/amber when exhausted |
| Mesh Size Range | 16–50 mesh |
| Volume & Weight | 1 cubic foot / 44 lbs (20 kg) |
| Packaging | Factory-sealed bag, ready to use |
| TDS Removal Capacity | High (near 0 ppm when fresh, monitor with TDS meter) |
Where the MB400IND Fits
The Purolite MB400IND mixed bed resin works in standard deionization vessels, cartridge DI filters, spot-free rinse tanks, and aquarium RO/DI systems. It's designed for final-stage polishing after reverse osmosis membranes or as a standalone solution for commercial water treatment requiring ultra-pure output. Common applications include laboratory water prep, electronics manufacturing rinse systems, auto detailing spot-free drying, and reef aquarium makeup water. The color-change feature eliminates guesswork and prevents performance drop-off in critical applications. Replace when resin shifts from blue/black to orange or when TDS readings climb above your target threshold.
Original: $1,382.72
-65%$1,382.72
$483.95Description
What's Inside the MB400IND
Full MB400IND Specification Sheet
| Product Code | MB400IND |
| Resin Composition | 50% Purolite C100H (hydrogen form) + 50% Purolite A400OH (hydroxide form) |
| Color Change Indicator | Blue to orange/amber when exhausted |
| Mesh Size Range | 16–50 mesh |
| Volume & Weight | 1 cubic foot / 44 lbs (20 kg) |
| Packaging | Factory-sealed bag, ready to use |
| TDS Removal Capacity | High (near 0 ppm when fresh, monitor with TDS meter) |
Where the MB400IND Fits
The Purolite MB400IND mixed bed resin works in standard deionization vessels, cartridge DI filters, spot-free rinse tanks, and aquarium RO/DI systems. It's designed for final-stage polishing after reverse osmosis membranes or as a standalone solution for commercial water treatment requiring ultra-pure output. Common applications include laboratory water prep, electronics manufacturing rinse systems, auto detailing spot-free drying, and reef aquarium makeup water. The color-change feature eliminates guesswork and prevents performance drop-off in critical applications. Replace when resin shifts from blue/black to orange or when TDS readings climb above your target threshold.







