1 Set, PH And TDS Meter Combo, 0.05ph High Accuracy Pen Type PH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter For Hydroponics, Household Drinking, And Aquarium, CE Certified
$10.48
0
523sold
$39.94
-73%
(1,371)
1pc High Accuracy 5 In 1 Salinity/ EC/ Temp/ TDS/ PH Meter Digital Drinking Water Quality Tester For Aquarium Hydroponics Type-C Charge
$36.98
0
$39.09
-5%
(11)
High Accuracy TDS Meter Digital Water Quality Tester, Digital 0-14 PH Meter Tester 0-9990ppm, 3 In 1 TDS, EC, Temperature Meter Pen For Drinking Water Fertilizer Concentration For Farm
$4.48
0
1.3K+sold
$22.98
-80%
(120,847)
4 In 1 Tds Meter Digital Water Tester - Accurate And Reliable TDS EC & Temperature(°C, °F) Meter - 0-9990ppm - Professional Testing For Drinking Water, RO/DI System, Aquariums, Pool, Etc.
$7.48
0
13sold
$19.79
-62%
(7)
2pcs Digital TDS Meter And PH Tester For Aquarium And Water Purification - Accurate 0.0-14.0 PH And 0-9990ppm TDS/EC Reading - LCD Display For Easy Reading
$8.48
0
77sold
$33.36
-74%
(9,125)
1pc Digital Water Quality Tester, TDS EC Meter, Ultra High Accuracy Water Quality Meter, Multi-functional Water Purity Temperature Meter
$3.98
0
170sold
$20.55
-80%
(2,078)
TDS Meter Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Portable Digital LCD TDS-M2 Meter Pen
$3.48
0
522sold
$15.24
-77%
(44,485)
Beige Portable LCD Digital TDS Water Purity Tester - Battery Operated; For Safe Aquarium, Pool & Dining Water
$2.43
0
74sold
$2.98
-18%
(41)
Portable Pen Portable Digital Water Meter Filter Measuring Water Quality Purity Tester TDS Meter
$1.94
0
292sold
$3.48
-44%
(44,485)
1pc 5-in-1 TDS/EC/PH/Salt/Temperature Meter Digital Water Quality Monitor, Suitable For Swimming Pool, Drinking Water And Aquariums
$19.97
0
4sold
$59.99
-66%