
pH Under
Score: 65/100
Jingedd Water Ionizer
Score: 62/100Rankings

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.

The Jingedd Water Ionizer is a budget-friendly countertop unit that offers versatile alkaline and acidic water production with 7 settings. It lacks verifiable safety certifications and independent expert reviews, functioning as a generic OEM product. It is best suited for curious first-time users seeking an inexpensive entry device for alkaline water concepts.
| Attribute | ![]() | ![]() |
|---|---|---|
— | -500 mVbest | |
— | 5 countbest | |
6 monthsbest | — | |
1 count | 7 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 | Built-in replaceable |
Filter Lifespan (months) | 6 months | Not specified in months months |
Maintenance(1) | ||
Self-Cleaning | false | true |
Controls & Display(2) | ||
Water Settings Count (count) | 1 count | 7 count |
Display Type | None | Color LCD Touch |
Performance(5) | ||
pH Range | 9-9.5 | 3.5-10.5 |
ORP Range (mV) | mV | -500 mV |
Plate Count (count) | N/A count | 5 count |
Plate Material | Magnesium-based | Titanium Platinum-plated |
Hydrogen Output (ppm) | Rich ppm | ppm |
Installation(1) | ||
Installation Type | Undercounter | Countertop/Wall-mounted |
Power(2) | ||
Voltage (V) | 0 V | V |
Power Consumption (W) | 0 W | W |
Design(1) | ||
Dimensions | 11.2 x 6.7 x 4.3 | |


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

The search results do not contain professional reviews from independent reviewers or editors, so no expert opinion is available.
The search results do not provide detailed user feedback, specific praise, or complaints from everyday users, so consumer sentiment cannot be determined.

No recognized water-treatment or consumer-electronics review outlets have published evaluations of this specific Jingedd model.
Consumer feedback is sparse and fragmented, with some users praising ease of installation but others reporting variable performance and skepticism regarding safety.
