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L.A.OL.A.U TDS Meter Digital Water Quality Tester Pen, 0–9990 Ppm High Accuracy Water Testing Meter With LCD Display, Hold Function, One-Button Operation, Portable TDS Meter For Aquarium, Hydroponics, Swimming Pool, Hydroponics, Aquariums, RO Systems, Pool
-42%
L.A.OL.A.U TDS Meter Digital Water Quality Tester Pen, 0–9990 Ppm High Accuracy Water Testing Meter With LCD Display, Hold Function, One-Button Operation, Portable TDS Meter For Aquarium, Hydroponics, Swimming Pool, Hydroponics, Aquariums, RO Systems, Pool

S$5.27

L.A.OL.A.U 1pc Blue 4-In-1 Portable Digital Water Quality Tester: TDS & EC Detection + Temperature Measurement, Backlit Display, Fast Reading, Accurate Detection, Color Warning, Suitable For Home, Aquarium And Swimming Pool
-57%
L.A.OL.A.U 1pc Blue 4-In-1 Portable Digital Water Quality Tester: TDS & EC Detection + Temperature Measurement, Backlit Display, Fast Reading, Accurate Detection, Color Warning, Suitable For Home, Aquarium And Swimming Pool

S$5.32

Digital Hygrometer, High Precision Moisture Meter For Wood, Wall, Damp Detection With Backlight, Dew Point Measurement
-31%
Digital Hygrometer, High Precision Moisture Meter For Wood, Wall, Damp Detection With Backlight, Dew Point Measurement
Only 8 left

S$40.35

New Digital Wooden Moisture Meter, Professional Wood Humidity Tester, Portable Wood Moisture Detector DY31 With High-Definition LCD Display
-3%
New Digital Wooden Moisture Meter, Professional Wood Humidity Tester, Portable Wood Moisture Detector DY31 With High-Definition LCD Display
Only 5 left

S$15.50

6-In-1 Smart Bluetooth Water Quality Tester - Accurately Measures PH, TDS, EC, ORP, CL And Temperature, Supports App Online Monitoring, Portable Digital Monitor (Requires AAA Batteries, Not Included), Suitable For Swimming Pools, Spas And Water Safety
-23%
6-In-1 Smart Bluetooth Water Quality Tester - Accurately Measures PH, TDS, EC, ORP, CL And Temperature, Supports App Online Monitoring, Portable Digital Monitor (Requires AAA Batteries, Not Included), Suitable For Swimming Pools, Spas And Water Safety
Only 3 left

S$80.57