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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 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
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
Brackish Water Test Liquid PH Tester NO2/NO3 Testing Detect Residual Chlorine
$21.95
TDS Tester Accurate Quick Measurement Portable Mini Water Quality Meter 0 to 9990ppm
$21.95 Save $18.00 RRP: $39.95
Water Quality Tester, TDS Meter, 3 in 1 Water Quality Tester TDS EC Conductivity Temperature Meter for Household Water 43NAM
$21.95 Save $18.00 RRP: $39.95
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
$20.95
10pcs Heavy Metal Water Test Strips: Lead Mercury Test Strips - Accurate Detection Tester For Skincare Cosmetics Water Quality Wastewater
$13.95 Save $45.05 RRP: $59.00
1 Box of Swimming Pool Testing Strips Hot Tub Spa Test Strips PH Testers Pond Water Test Strips
$15.95 Save $48.05 RRP: $64.00
Digital Ph Meter High Precision Lcd Aquarium Water Acid Ph Tester Pool Analyzer Hfmqv
$16.95
100X Chlorine Dip Test Strips Swimming Pool Water SPA Hot Tub PH Tester Paper 2023 New
$20.95 Save $11.00 RRP: $31.95
TDS Tester Accurate Quick Measurement Portable Mini Water Quality Meter 0 to 9990ppm
$18.95 Save $27.00 RRP: $45.95
3 -in-1 Nursing Toos Garden Soil Meter Soil Sunlight Meter Soil Temperature Meter Plant Soil Ph Tester
$16.95 Save $52.05 RRP: $69.00
TDS Meter Digital Water Quality Tester 0-9990PPM LCD Display Water Quality Testing Pen Alloy Electrode Probe
$14.95
PH Sensor Replacement Probe Composite Electrode PH Water Quality Electrode Tester for Laboratory Aquarium Hydroponics
$19.95
TDS Meter Digital Water Tester - Versatile Digital TDS Meter - Ph TDS
$11.95
PH Electrode Water PH Meter Probe Sensor PH Tester Electrode with BNC Connector for Replacement
$21.95 Save $12.00 RRP: $33.95
Mini Soil PH Meter Portable Single Needle High Sensitivity Probe Plug and Play Soil PH Sensor for Garden Lawn Farm
$12.95 Save $8.00 RRP: $20.95
80 Strips/pack PH 1-14 Litmus Paper PH Tester Papers Universal Indicator Paper Test For Water Aquarium Home Tool Measurement
$9.95
50 X Chlorine Dip Test Strips Hot Tub Spa Swimming Pool Ph Tester Paper
$9.95 Save $3.00 RRP: $12.95
Chlorine Dip Test Strips Swimming Pool Water SPA Hot Tub PH Tester Paper 3/4/5/6/7 in 1
$17.95 Save $7.00 RRP: $24.95
Moisture Sunlight PH Meter 3 In1 PH Tester Garden Flowers Soil Moisture Sensor Meter
$22.95 Save $9.00 RRP: $31.95
Water PH Tester Digital PH Meter Automatic Calibration 0.01 Titanium Probe Water Quality Test Monitor Aquarium Pool C
$10.95 Save $9.00 RRP: $19.95
PH Meter and TDS Meter,Digital Water Quality Tester, 0-9990 PPM, and Temperature Measurement 0.01 P
$14.95 Save $5.00 RRP: $19.95
3PCS TDS&PH Meter, PH Meter for Water, 0.01 High Precision
$16.95 Save $7.00 RRP: $23.95
TDS Meter Digital Water Quality Tester
$11.95 Save $6.00 RRP: $17.95
Soil Tester Soil Moisture Meter Soil Ph Tester Green
$11.95 Save $8.00 RRP: $19.95
LCD Digital TDS Water Quality Tester EC Meter Tester TDS Tester Pen
$15.95
Soil Tester Soil Moisture Meter Soil Ph Tester Blue
$9.95
3-In-1 Soil Tester Soil Acidity Meter Soil Hygrometer Soil Tester Ph Meter
$11.95