ZeroWater 20-Cup
Score: 88/100
Brita UltraMax White
Score: 74/100Rankings
The ZeroWater 20-Cup Ready-Pour is a countertop water filtration dispenser featuring 5-stage ion exchange filtration that removes virtually all dissolved solids, achieving 0 TDS water. It includes a TDS meter for quality verification, though users must manually test the water rather than relying on an automatic display. It is best suited for health-conscious consumers and small offices seeking superior tap water taste and purity verification.
The Brita UltraMax Large Water Dispenser with BritaPlus Filter offers a massive 27-cup capacity and slim design, making it ideal for high-volume households and offices. It effectively reduces chlorine and heavy metals, though the plastic construction feels less durable than premium alternatives. It is best suited for users who prioritize volume and fridge compatibility over premium build quality.
| Attribute | | |
|---|---|---|
12 monthsbest | 2 months | |
1.9 gallons per hourbest | 1.74 gallons per hour | |
99.6 %best | — | |
1.56 gallons | 6.3 gallonsbest | |
5 stagesbest | 1 stages | |
11.75 inchesbest | 10.47 inches | |
5.5 inches | 5.67 inchesbest | |
10.63 inches | 14.37 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance & Filtration(7) | ||
Certifications | NSF 53, IAPMO | null |
Contaminants Reduced | Lead, Chromium, Mercury, PFOA/PFOS | Chlorine, Mercury, Copper, Zinc, Cadmium, Asbestos, Benzene, Lead |
Filtration Technology | Carbon block, Ion exchange | Carbon Block |
Filter Lifespan (months) | 12 months | 2 months |
Flow Rate (gallons per hour) | 1.9 gallons per hour | 1.74 gallons per hour |
TDS Reduction (%) | 99.6 % | null % |
Filtration Stages (stages) | 5 stages | 1 stages |
Capacity & Dimensions(5) | ||
Water Capacity (gallons) | 1.56 gallons | 6.3 gallons |
Height (inches) | 11.75 inches | 10.47 inches |
Width (inches) | 5.5 inches | 5.67 inches |
Depth (inches) | 10.63 inches | 14.37 inches |
Product Weight (pounds) | 3.3 pounds | 2.78 pounds |
Design & Installation(2) | ||
Housing Material | BPA-Free Plastic | Plastic |
Filter Type | Ion Exchange | Standard |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the product's superior filtration effectiveness, noting it removes significantly more dissolved solids than leading competitors. The inclusion of a TDS meter is praised for eliminating guesswork regarding filter life, though some note legacy spout design issues and the inconvenience of manual testing compared to newer integrated display models.
Users appreciate the product's ability to improve tap water taste and quality, making it suitable for health-conscious consumers and those looking to reduce plastic waste. It is valued as a secondary filtration layer even for homes with whole-house filters, though some users may find the manual testing process less convenient than automatic indicators.
Professional reviewers praise the Brita UltraMax for its large capacity, ease of use, and excellent filtration performance, awarding it high scores for taste and flow rate, though they note the plastic walls feel flimsy.
Everyday users echo the praise for the massive capacity and convenience, noting that the 27-cup size is significantly larger than standard pitchers, with no specific recurring complaints beyond general mentions of build quality.
