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Under $20 pH Meters

Shop the best prices on 2,800 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 2,800
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 $10.00 RRP: $32.95
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
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
$10.95
3-in-1 Tds Water Quality Tester High Accuracy Digital Water Testing Kit For Drink Water Water Teste
$10.95 Save $20.00 RRP: $30.95
TDS Digital Water Quality Tester TDS Meter Water Test Pen For Water Detection KB
$0.95
0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter Test Paper Roll for Water Urine Saliva Soil Litmus Measuring
$6.95 Save $9.00 RRP: $15.95
PH Meter, Digital PH Tester PH Meter for Water, 0-14 PH Testing Range PH Pen, Water Testing Kits for Drinking Water
$10.95 Save $4.00 RRP: $14.95
10pcs Heavy Metal Water Test Strips: Lead Mercury Test Strips - Accurate Detection Tester For Skincare Cosmetics Water Quality Wastewater
$13.95 Save $30.00 RRP: $43.95
3pcs Water Level Indicator Water Level Gauge,flower Pot Water Shortage Reminder Float Water Display Gauge Water Meter
$17.95 Save $76.05 RRP: $94.00
3 Pack PH Meter TDS PPM Meter and 3 in 1 Soil PH Tester PH/EC Digital Kit for Home, Garden, Lawn, Farm
$14.95 Save $69.05 RRP: $84.00
Universal Ph Test Paper Strips Water Ph Test Paper Outdoor Test Laboratory Use Length 5m 1 Roll
$17.95 Save $13.00 RRP: $30.95
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
Digital Ph Meter, Ph Meter 0.01 Ph High Accuracy Water Quality Tester With 0-14 Ph Measurement Range For Household Drinking, Pool And Aquarium Water P
$7.95 Save $10.00 RRP: $17.95
Pocket Pen Ph Meter Digital Er Ph-009 Ia 0.0-14.0ph For Rium Pool Lab Ph014
$7.95 Save $10.00 RRP: $17.95
Water PH Tester Digital PH Meter Automatic Calibration C
$11.95
Long Stem Compost Soil Thermometer - Fast Response Stainless Steel 20 Inch - Measuring Probe - Fahr
$14.95 Save $25.00 RRP: $39.95
Digital Ph Meter High Precision Lcd Aquarium Water Acid Ph Tester Pool Analyzer Shytmv
$7.95 Save $7.00 RRP: $14.95
3 Pack PH Meter TDS PPM Meter and 3 in 1 Soil PH Tester PH/EC Digital Kit for Home, Garden, Lawn, Farm
$14.95 Save $69.05 RRP: $84.00
Digital PH Meter with 0-14 PH Measurement Range LCD Display Digital Water PH Tester Meter with ATC for Household Drinking Water Hydroponics
$11.95 Save $11.00 RRP: $22.95
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
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