pH Under
Score: 65/100
Panasonic TK-AS31
Score: 72/100Rankings
The Panasonic TK-AS31-W is a compact, certified home-use medical device that produces alkaline ionized water with a focus on digestive health. It removes 19 targeted substances and features a simple design with a 1-year filter life. It is best suited for users prioritizing substance removal and regulatory confidence over advanced features.
The Cosan/USA pH Under is an undercounter alkaline water system that uses a proprietary magnesium-based process to filter and alkalize water without electricity. It offers a fixed pH of 9-9.5 and antioxidant production but lacks detailed technical specifications. It is ideal for users seeking a passive, no-wastewater solution for hydrogen-rich water.
| Attribute | | |
|---|---|---|
— | 3 countbest | |
6 months | 12 monthsbest | |
1 countbest | — | |
0 Vbest | — | |
| ↓ lower better | 0 Wbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Filtration(2) | ||
Filtration System | Multi-stage Cartridge | Multi-stage |
Filter Lifespan (months) | 6 months | 12 months |
Maintenance(1) | ||
Self-Cleaning | false | |
Controls & Display(2) | ||
Water Settings Count (count) | 1 count | count |
Display Type | None | Basic |
Performance(4) | ||
pH Range | 9-9.5 | Alkaline |
Plate Count (count) | N/A count | 3 count |
Plate Material | Magnesium-based | |
Hydrogen Output (ppm) | Rich ppm | ppm |
Installation(1) | ||
Installation Type | Undercounter | Countertop |
Power(2) | ||
Voltage (V) | 0 V | V |
Power Consumption (W) | 0 W | W |
Design(1) | ||
Dimensions | 7.0 x 1.0 x 3.4 | |
Products in the top-left offer the best value (high score, low price).
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