Waterdrop 10UA
Score: 88/100
ZeroWater 32-Cup Dispenser
Score: 88/100Rankings
The Waterdrop 10UA is a compact, under-sink filtration system that uses 8-stage filtration to reduce chlorine, PFAS, and lead while retaining beneficial minerals. It offers excellent value with a low annual operating cost of $33 and a long filter life of 8,000 gallons, though it does not reduce TDS. It is best suited for homeowners or renters seeking easy DIY installation and comprehensive contaminant reduction without the need for TDS removal.
The ZeroWater 32-Cup Ready-Read is a countertop water filtration dispenser utilizing 5-stage ion exchange technology to remove 99.9% of total dissolved solids from tap water. It features an integrated TDS meter that provides real-time water quality readings to indicate when the filter needs replacement, ensuring users can monitor filtration performance effectively. Best suited for users in areas with high TDS levels who prioritize water purity and real-time monitoring over speed.
| Attribute | | |
|---|---|---|
8,000 gallonsbest | — | |
0.75 gpmbest | — | |
8best | 5 | |
1 yearsbest | — | |
0 percent | 99.9 percentbest | |
| ↓ lower better | 33 usdbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Safety & Compliance(1) | ||
Certifications | NSF/ANSI 42, 372, WQA, SGS | IAPMO |
Installation & Compatibility(2) | ||
Installation Type | Under Sink | Countertop |
Faucet Compatibility | Under Sink Cold Water Line | Countertop |
Filtration Performance(4) | ||
Filtration Technology | Ultrafiltration/Carbon Block/KDF | 5-Stage Ion Exchange |
Contaminants Removed | Chlorine, PFAS, Lead, Heavy Metals, Sediment | Lead, Chromium, PFOA/PFOS, Mercury, Cadmium |
Filtration Stages | 8 | 5 |
TDS Reduction (percent) | 0 percent | 99.9 percent |
Capacity & Maintenance(1) | ||
Filter Life (gallons) | 8000 gallons | N/A gallons |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the Waterdrop 10UA for its sleek, compact design, straightforward tool-free installation, and cost-effectiveness, noting its excellent contaminant reduction capabilities and low annual operating costs.
Users primarily praise the ease of installation, compact footprint, and convenient filter replacement process, while acknowledging the lack of TDS reduction as expected for this type of system.
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, providing users with immediate, real-time visibility into water quality.
Everyday users commonly praise the product for producing noticeably cleaner-tasting water and the convenience of the large 32-cup capacity. The integrated TDS meter is frequently cited as a source of confidence, allowing users to verify filtration performance. However, a recurring complaint is the slow filtration speed, with users noting that the gravity-based process requires patience and waiting for water to fully filter before refilling.
