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Under $20 pH Meters

Shop the best prices on 2,805 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 2,805
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
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 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
Digital Water Quality Tester 0.01 High Accuracy Compact Size PH Tester for Pools Aquariums Drinking
$14.95
High Precision Water Hardness Instrument EC TDS Tester PH Meter Aquarium Pool Water Quality Purity Testing Pen YaloP2025042500325
$17.95 Save $56.05 RRP: $74.00
H3 TDS Tester Meter Portable Water Quality Analyzer Monitor Test Pen for Swimming Pool
$20.95 Save $25.00 RRP: $45.95
3-in-1 Soil Meter Moisture Light and PH Tester White
$13.95
PH Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer PH Meter Tester PH Probe B
$16.95 Save $18.00 RRP: $34.95
Digital pH Meter 0.01 Accuracy Water Tester for Kitchen, Aquarium, Pool, Hydroponics
$17.95 Save $24.00 RRP: $41.95
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
3-in-1 Soil Meter Moisture Light And Ph Tester For Indoor Outdoor House Plants Garden Lawn Farm No Battery Needed White
$11.95
Digital Ph Meter High Precision Lcd Aquarium Water Acid Ph Tester Pool Analyzer Shytmv
$12.95 Save $12.00 RRP: $24.95
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
$9.95 Save $14.00 RRP: $23.95
Pocket Pen Ph Meter Digital Er Ph-009 Ia 0.0-14.0ph For Rium Pool Lab Ph014
$9.95 Save $14.00 RRP: $23.95
Universal Ph Test Strips Paper, Ph Meter Full Range, 0-14 Ph And Body Acid Alkaline Ph Level, 2 Boxes, Totally 200 Strips
$9.95 Save $4.00 RRP: $13.95
M1 TDS Meter Test Pen Portable Water Quality Tester for Swimming Pool, Digital Water Quality Analyzer with Easy Read Display
$19.95
Soil Tester Soil Moisture Meter Soil Ph Tester Blue
$18.95 Save $1.00 RRP: $19.95
Water PH Tester Digital PH Meter Automatic Calibration C
$15.95 Save $1.00 RRP: $16.95
PH Meter Calibration Solution ORP Tester,PH 7.0
$10.95 Save $1.00 RRP: $11.95
Soil Meter Moisture Light and PH Tester White
$18.95 Save $1.00 RRP: $19.95
0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter
$10.95 Save $1.00 RRP: $11.95
Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter Potential Test Bnc Q9 Connec
$17.95 Save $51.05 RRP: $69.00
PH Meter Replacement Electrode Probe PH Water Tester Spare Part Probe Acidometer for Aquarium PH Me
$19.95 Save $79.05 RRP: $99.00
0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter
$10.95 Save $2.00 RRP: $12.95