
Brita UltraMax
Score: 72/100
ZeroWater 32-Cup Dispenser
Score: 88/100Rankings

The ZeroWater 32-Cup Ready-Read is a high-performance countertop dispenser that utilizes 5-stage ion exchange to remove 99.9% of dissolved solids. Its standout feature is the integrated TDS meter, which allows users to monitor water purity in real-time. While the filtration speed is slow due to its gravity-fed design, it is ideal for users prioritizing water quality over speed.

The Brita UltraMax is a large-capacity water dispenser designed for families and offices, offering 27 cups of filtered water to minimize refilling. It features a slim, fridge-friendly design and effective chlorine removal, though it lacks the advanced contaminant reduction of the Elite variant. It is best suited for busy households that prioritize volume and convenience over maximum filtration purity.
| Attribute | ![]() | ![]() |
|---|---|---|
2 monthsbest | — | |
— | 99.9 %best | |
6.3 gallonsbest | 2 gallons | |
1 stages | 5 stagesbest | |
10.47 inchesbest | 10.375 inches | |
5.67 inches | 6 inchesbest | |
18 inchesbest | 13.125 inches | |
| ↓ lower better | 3 poundsbest | 4.07 pounds |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance & Filtration(7) | ||
Certifications | null | IAPMO |
Contaminants Reduced | Copper, Cadmium, Mercury, Chlorine | Lead, Chromium, PFOA/PFOS, Mercury, Cadmium, Chlorine |
Filtration Technology | Carbon Block | Ion Exchange |
Filter Lifespan (months) | 2 months | N/A months |
Flow Rate (gallons per hour) | null gallons per hour | N/A gallons per hour |
TDS Reduction (%) | null % | 99.9 % |
Filtration Stages (stages) | 1 stages | 5 stages |
Capacity & Dimensions(5) | ||
Water Capacity (gallons) | 6.3 gallons | 2.0 gallons |
Height (inches) | 10.47 inches | 10.375 inches |
Width (inches) | 5.67 inches | 6.0 inches |
Depth (inches) | 18.0 inches | 13.125 inches |
Product Weight (pounds) | 3.0 pounds | 4.07 pounds |
Design & Installation(1) | ||
Filter Type | Standard | Ion Exchange |

Products in the top-left offer the best value (high score, low price).

Expert reviewers awarded the Brita UltraMax a 9.0 performance score, praising its exceptional flow rate and effective chlorine removal, while noting the Standard filter's maintenance frequency as a drawback.
Consumer feedback is limited, but expert assessments indicate general satisfaction with build quality and performance.




Professional reviewers and experts highly praise the ZeroWater 5-stage filtration process, noting that it delivers water quality comparable to or better than reverse osmosis systems. The integrated TDS meter is specifically highlighted as a key advantage.
Everyday users commonly praise the product for producing noticeably cleaner-tasting water and the convenience of the large 32-cup capacity. However, a recurring complaint is the slow filtration speed.