ZeroWater 20-Cup
Score: 88/100
ZeroWater 32-Cup Dispenser
Score: 88/100Rankings
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 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.
| Attribute | | |
|---|---|---|
12 monthsbest | — | |
1.9 gallons per hourbest | — | |
99.6 % | 99.9 %best | |
1.56 gallons | 2 gallonsbest | |
5 stagesbest | 5 stagesbest | |
11.75 inchesbest | 10.375 inches | |
5.5 inches | 6 inchesbest | |
10.63 inches | 13.125 inchesbest |
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| Attribute | | |
|---|---|---|
Performance & Filtration(6) | ||
Certifications | NSF 53, IAPMO | IAPMO |
Contaminants Reduced | Lead, Chromium, Mercury, PFOA/PFOS | Lead, Chromium, PFOA/PFOS, Mercury, Cadmium, Chlorine |
Filtration Technology | Carbon block, Ion exchange | Ion Exchange |
Filter Lifespan (months) | 12 months | N/A months |
Flow Rate (gallons per hour) | 1.9 gallons per hour | N/A gallons per hour |
TDS Reduction (%) | 99.6 % | 99.9 % |
Capacity & Dimensions(5) | ||
Water Capacity (gallons) | 1.56 gallons | 2.0 gallons |
Height (inches) | 11.75 inches | 10.375 inches |
Width (inches) | 5.5 inches | 6.0 inches |
Depth (inches) | 10.63 inches | 13.125 inches |
Product Weight (pounds) | 3.3 pounds | 4.07 pounds |
Design & Installation(1) | ||
Housing Material | BPA-Free Plastic | Plastic |
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 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.
