TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter
Quick answer
Is $3.19 a good price for TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen…?
Too early to tell: DipScout has tracked this price for 1 day, and comparing it with a typical price takes at least 7 days. Tracked since Oct 30, 2026, it ranged from $3.09 to $3.19.
$3.19
Today it costs $3.19 on AliExpress. Since Oct 30, 2026, when we started tracking it, it ranged from $3.09 to $3.19. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 7 days. The store advertises "was $6.65", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$3.19highest ever seen
Lowest$3.09Oct 30 to Oct 31
Highest$3.19since Oct 31
Tracked since Oct 30 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 31, 00:51 UTC | $3.19 | +3% |
| Oct 30, 12:37 UTC | $3.09 | start |
| Store | Aquora Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 2 |
| First seen | |
| Last reading |