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Under $20 pH Meters

Shop the best prices on 1,926 great value under $20 ph meters. Shopping for ph meters is easy with Fruugo, with SALE discounts, offers and savings on Zhiyi, Denuotop, Lycxames and more. Buy ph meters online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 1,926
PH Sensor for Arduino,PH0-14 Value Detect Sensor Module + PH Electrode Probe BNC,PH Sensor UNO,PH Sensor for Arduino Kit
$22.95 Save $9.00 RRP: $31.95
High Precision Water Hardness Instrument TDS Tester PH Meter Aquarium Pool Water Testing Pen
$8.95
18 Pack PH Meter Buffer Solution Powder 6.86/4.00/9.18, PH Calibration Solution Packets for Precise PH Meter
$9.95
pH Indicator Solution Portable pH Tester Liquid Acid Base Analyzer For Freshwater And Pool Water Precision Water Tester
$20.95 Save $10.00 RRP: $30.95
0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter Test Paper Roll for Water Urine Saliva S
$8.95 Save $1.00 RRP: $9.95
Electronic Water Tester Device For Drinking Water Testing 2Pack Measures pH Value And Conductivity With Reliable Results
$17.95 Save $13.00 RRP: $30.95
TDS Digital Water Quality Tester TDS Meter Water Test Pen For Water Detection KB
$0.95
Universal Ph Test Paper Strips Water Ph Test Paper Outdoor Test Laboratory Use Length 5m 1 Roll
$17.95 Save $14.00 RRP: $31.95
2X 0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter Test Paper Roll
$11.95
Ph Test Paper Strips Laboratory Use Precision and Accuracy For Students 5.20X5.20X1.30CM 1 Roll
$11.95 Save $5.00 RRP: $16.95
Water PH Tester Digital PH Meter Automatic Calibration C
$11.95
PH Meter, Digital PH Tester PH Meter for Water, 0-14 PH Testing Range PH Pen, Water Testing Kits for Drinking Water unbrand
$15.95
1 Roll Acid Alkalinity PH Test Paper Universal PH Test Paper Liquid PH Test Paper
$12.95 Save $51.05 RRP: $64.00
10pcs Heavy Metal Water Test Strips: Lead Mercury Test Strips - Accurate Detection Tester For Skincare Cosmetics Water Quality Wastewater
$13.95 Save $55.05 RRP: $69.00
Electric Current Meter 1 Phase 2 Wire Current Tester Monitor Ammeter AC 220V 0‑100A
$18.95 Save $27.00 RRP: $45.95
3 in 1 Digital PH Meter for Water, TDS/PH/Temp Meter, Water Tester for Drinking Water, Swimming Poo
$22.95 Save $31.05 RRP: $54.00
Testeur de pH-mètre pour piscine hydroponique, outil de test numérique portable
$19.95 Save $6.00 RRP: $25.95
Testeur de qualité de l'eau multifonctionnel, stylo de surveillance de l'eau potable pour aquarium TDS/EC/TEMP
$18.95 Save $6.00 RRP: $24.95
Protable LCD Digital PH Meter Pen Aquarium Pool Water Wine Tester Tool
$17.95 Save $5.00 RRP: $22.95
2025 All-New 4 in 1 Tds Meter Digital Water Tester,Water Tester for Drinking Wate
$18.95
Drinking Water Tester Portable Digital Water Quality Meter for Travel Camping Aquarium Home Outdoor Pond Research
$20.95 Save $10.00 RRP: $30.95
ZPSHYD 100 Pcs PH Test Strips, 6 in 1 PH Hardness Alkalinity Cyanuric Acid Litmus Test Paper with Two Storage Bottles for Pool Spa
$19.95 Save $18.00 RRP: $37.95
ZPSHYD 100Pcs PH Paper, PH0‑14 Professional Measurement Test Strips Accurate Universal for Cosmetics Drinking Water Soil 50PCE
$19.95 Save $19.00 RRP: $38.95
Soil PH Meter Garden Plant PH Meter Digital Dial High Quality PH Meter Soil Acidity Test Tools Square Soil Detector
$9.95 Save $5.00 RRP: $14.95
Water PH Tester Digital PH Meter Automatic Calibration C
$10.95 Save $5.00 RRP: $15.95
16 in 1 Water Testing Kits for Drinking Water- (100Pcs Test Strips )
$15.95 Save $11.00 RRP: $26.95
Digital Soil Hygrometer Moisture Meter Temperature Humidity Tester
$16.95 Save $12.00 RRP: $28.95
12 Pack PH Meter Buffer Solution Powder 6.86/4.00/9.18, PH Calibration Solution Packets for Precise PH Meter
$8.95
PH Meter Tester Digital PH Meter 0.01 PH Water Quality Test Digital Tester for Kitchen, Aquarium, Pool, Laboratory
$11.95 Save $10.00 RRP: $21.95
TDS Sensor Meter V1.0 Board Module Water Meter Filter Measuring Water Quality for Arduino UNO R3 TDS Meter
$7.95 Save $5.00 RRP: $12.95
PH Meter, Digital PH Tester PH Meter for Water, 0-14 PH Testing Range PH Pen, Water Testing Kits for Drinking Water
$11.95 Save $8.00 RRP: $19.95
3 in 1 Digital TDS Meter Water Quality Tester, Smart Backlight,Temperature EC/TDS Test Pen for Home Use
$12.95 Save $10.00 RRP: $22.95