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Under $20 pH Meters

Shop the best prices on 2,078 great value under $20 ph meters. Shopping for ph meters is easy with Fruugo, with SALE discounts, offers and savings on Xpba, Wonderful, Jtgg 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 2,078
Professional Soil PH Meter Tester Accurate PH Instrument Hygrometer Monitor Soil Moisture Sensor Garden Flower Farm Tool
$19.95 Save $11.00 RRP: $30.95
0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter Test Paper Roll for Water Urine Saliva S
$11.95 Save $2.00 RRP: $13.95
High Precision Water Hardness Instrument TDS Tester PH Meter Aquarium Pool Water Testing Pen
$12.95
18 Pack PH Meter Buffer Solution Powder 6.86/4.00/9.18, PH Calibration Solution Packets for Precise PH Meter
$13.95
PH Meter Calibration Point Ph Buffer Powder Measure Calibration PH Solution Powder PH Powder For PH Test Meter 4.00 / 6.86 / 9.18 unbrand
$19.95 Save $16.00 RRP: $35.95
New 3 in 1 Water Test Strips Spa Test Strips Chlorine Total Alkalinity PH Tester for Hot Tub Swimming Pool
$19.95 Save $4.00 RRP: $23.95
Ph Tester Digital Ph Meter, Professional Ph Pen With 0.01 Ph High Accuracy, 0-14 Ph Measurement Range, Ideal Water Ph Tester Compatible With Household
$8.95 Save $5.00 RRP: $13.95
0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter Test Paper Roll for Water Urine Saliva Soil Litmus Measuring
$13.95
Professional Universal pH.1-14 Test Paper for Water Soil Testing Pet Food
$21.95
White Handheld TDS Digital Water Tester High Precision Household Purified Tap Water Multifunctional Large Screen Display
$10.95 Save $5.00 RRP: $15.95
High-Sensitivity pH Electrode with BNC Connector for Aquarium Use
$20.95 Save $12.00 RRP: $32.95
Ph Meter Calibration Solution Orp Tester Calibration Solution Buffer Solutions,ph 4.0 7.0 10.0 unbrand
$14.95 Save $9.00 RRP: $23.95
Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter Potential Test Bnc Q9 Connec
$20.95 Save $98.05 RRP: $119.00
Digital LCD Water Quality Testing Pen Purity Filter TDS Meter Tester 09999 PPM Temp Red
$17.95 Save $30.00 RRP: $47.95
OBD2 Car Diagnostic Bluetooth Scanner Auto Check Tool for Android Phone Xpba
$19.95 Save $34.05 RRP: $54.00
Digital LCD Water Quality Testing Pen Purity Filter TDS Meter Tester 09999 PPM Temp White
$17.95 Save $33.00 RRP: $50.95
1Pc Digital TDS Total Dissolved Solids Meter Pen Water Quality Purity TEMP/PPM Testing
$17.95 Save $33.00 RRP: $50.95
Mini Soil PH Meter Portable Single Needle High Sensitivity Probe Plug and Play Soil PH Sensor for Garden Lawn Farm
$16.95 Save $34.00 RRP: $50.95
New LCD Water Quality Testing Pen Purity Filter TDS Meter Tester 09999 PPM Temp Yellow
$17.95 Save $33.00 RRP: $50.95
Digital LCD Water Quality Testing Pen Purity Filter TDS Meter Tester 09999 PPM Temp Blue
$17.95 Save $30.00 RRP: $47.95
TCGG-pH tester Tcgg
$19.95 Save $39.05 RRP: $59.00
TDS Fish Tanks Water Quality Testing Pen Multifunction Conductivity Meter EC Tester
$18.95 Save $11.00 RRP: $29.95
Digital Ph Meter High Precision Lcd Aquarium Water Acid Ph Tester Pool Analyzer Hfmqv
$14.95 Save $16.00 RRP: $30.95
Ph Tester Digital Ph Meter, Professional Ph Pen With 0.01 Ph High Accuracy, 0-14 Ph Measurement Range, Ideal Water Ph Tester Compatible With Household
$14.95 Save $16.00 RRP: $30.95
3 set 240 Strips Professional 1-14 pH litmus paper ph test strips water cosmetics soil pH Test Pape
$9.95 Save $54.05 RRP: $64.00
3-In-1 Soil Meter Moisture Light and PH Tester for Indoor Outdoor House Plants Garden Lawn Farm No
$19.95
4 In 1 Soil PH Meter Moisture/Temp/Soil PH Tester
$16.95
TDS Meter Digital Water Tester - Versatile Digital TDS Meter - Water Quality Tester - Ph TDS Meter
$10.95
3-In-1 Soil Meter Moisture Light and PH Tester for Indoor Outdoor House Plants Garden Lawn Farm No
$18.95
PH Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer PH Meter Tester PH Probe PO
$5.95 Save $3.00 RRP: $8.95
TDS Digital Water Quality Tester TDS Meter Water Test Pen For Water Detection PO
$0.95
0.01pH Resolution, Digital PH Meter, ATC pH Water Quality Tester Portable Aquarium Hydroponics Swimming Pool Measuring Range with 0-14 pH
$18.95 Save $9.00 RRP: $27.95