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Under $20 pH Meters

Shop the best prices on 2,802 great value under $20 ph meters. Shopping for ph meters is easy with Fruugo, with SALE discounts, offers and savings on Xpba, Wonderful, Lycxames and more. Buy ph meters online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 2,802
PH Meter for Water, PH Tester 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range, PH Meter
$14.95 Save $59.05 RRP: $74.00
High Precision Water Hardness Instrument TDS Tester PH Meter Aquarium Pool Water Testing Pen
$0.95
PH Meter Calibration Solution ORP Tester,ORP 222mV
$10.95 Save $5.00 RRP: $15.95
PH Meter Calibration Solution ORP Tester Calibration Solution Buffer Solutions,PH 4.0 7.0 10.0
$18.95 Save $13.00 RRP: $31.95
PH Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer PH Meter Tester PH Probe BNC Connector
$17.95 Save $18.00 RRP: $35.95
4-in-1 Water Quality Tester - TDS, EC, Temp Meter 0-9999 Ppm Upgraded for Drinking Water Various Wat
$14.95 Save $3.00 RRP: $17.95
Ph Test Strips - 100 Ph Stips Litmus Paper Testing Kit - 0-14 Range Accurate Ph Tester Strips, Universal Ph Testing Kit For Garden Lawn Farm Home Scho
$11.95 Save $2.00 RRP: $13.95
1Pc Digital TDS Total Dissolved Solids Meter Pen Water Quality Purity TEMP/PPM Testing
$15.95 Save $9.00 RRP: $24.95
6.86 4.00 9.18 PH Buffer Solution Powder Packets 18 Pcs for Digital PH Meter Calibration
$14.95 Save $17.00 RRP: $31.95
Ph Replacement Probe Aquarium Laboratory Electrode Ph Meter Potential Test Bnc Q9 Connector
$12.95 Save $9.00 RRP: $21.95
4 In 1 Soil Ph Meter Moisture/temp/soil Ph Tester Sunlight Intensity Meter For Gardening Plants Farming With Backli
$9.95
Portable TDS Meter Digital Water Quality Tester Pen for Drinking Water 0-9990ppm
$19.95 Save $13.00 RRP: $32.95
6 in 1 SPA Water Test Kit PH//GH/CYA// Water Chemical Testing Chlorine PH Meter for SPA and Hot Tubs
$19.95 Save $19.00 RRP: $38.95
TDS-3 Portable LCD Digital TDS Meter Pool Home Water Quality Purity Testing Pen
$11.95 Save $11.00 RRP: $22.95
High-Quality pH Electrode Sensor Probe for Lab, Pool, and Industrial Water Testing - pH Meter Tester
$15.95 Save $24.00 RRP: $39.95
PH-2011 Precision with Temperature Compensation Written Test PH Meter with Luminous Display PH Mete
$11.95 Save $24.00 RRP: $35.95
PH301 PH Electrode with BNC Connector Laboratory Combination PH Probe PH Detection Module for Water Quality Testing-Good
$20.95 Save $15.00 RRP: $35.95
TDS Meter Digital Water Tester - Versatile Digital TDS Meter - Ph TDS
$16.95
Water Temperature Sensor 7861?92?3320 for KOMATSU PC200?5 PC100?5 PC120?5 4D95 6D95
$12.95 Save $12.00 RRP: $24.95
80 Strips/pack PH 1-14 Litmus Paper PH Tester Papers Universal Indicator Paper Test For Water Aquarium Home Tool Measurement
$13.95
Ph Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer Ph Meter Tester Ph Probe Bnc Connector
$12.95
100Pcs PH Paper Professional Measurement Test Strips Accurate Universal for Cosmetics Drinking Water Soil PH014
$21.95 Save $12.00 RRP: $33.95
50 X Chlorine Dip Test Strips Hot Tub Spa Swimming Pool Ph Tester Paper
$13.95 Save $3.00 RRP: $16.95
Digital 3-in-1 Water Quality Tester for Home Drinking Water Analysis
$9.95 Save $5.00 RRP: $14.95
9 in 1 Drinking Water Test Kit PH/KH/GH/Fe/Cu/Pb/NO3/NO2/F Water Chemical Testing Chlorine PH Meter
$18.95 Save $4.00 RRP: $22.95
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
$11.95 Save $9.00 RRP: $20.95
PH-2011 Precision with Temperature Compensation Written Test PH Meter with Luminous Display PH Mete
$11.95 Save $24.00 RRP: $35.95
0.01 Precision LCD PH Meter Water Quality Tester
$15.95
Soil pH Meter Soil Test Kit Soil Acidity & Alkalinity Analyzer Acidity Meter Probe Detachable for In
$20.95 Save $12.00 RRP: $32.95
Soil Tester Soil Moisture Meter Soil Ph Tester Blue
$13.95
3 in 1 Soil Moisture Meter Dual Probe Detection Sunlight PH Tester for Gardening Farming
$18.95 Save $19.00 RRP: $37.95
3-In-1 Soil Tester Soil Acidity Meter Soil Hygrometer Soil Tester Ph Meter
$16.95