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Under $20 pH Meters

Shop the best prices on 4,558 great value under $20 ph meters. Shopping for ph meters is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, Xpba, Wonderful and more. Buy ph meters online safely with Fruugo, with secure payment and fast shipping to Australia.

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PH Meter Calibration Solution ORP Tester Calibration Solution Buffer Solutions,PH 4.0 7.0 10.0c p
$17.95 Save $20.00 RRP: $37.95
Universal pH Test Paper Strips, Full Range pH 0-14, 16.4 ft/Roll (4 Rolls)
$14.95 Save $69.05 RRP: $84.00
Ph Replacement Probe Aquarium Laboratory Electrode Ph Meter Potential Test Bnc Q9 Connector
$11.95 Save $7.00 RRP: $18.95
1Pc Digital TDS Total Dissolved Solids Meter Pen Water Quality Purity TEMP/PPM Testing
$13.95 Save $8.00 RRP: $21.95
PH Meter Calibration Solution 4.0 7.0 10.01 PH Pens Calibration Solution Probe Liquids PH Calibration Solution Set
$20.95 Save $26.00 RRP: $46.95
TDS Tester for Aquarium - Water Hardness and PH Meter with EC Measurement for Pool Testing
$20.95 Save $63.05 RRP: $84.00
PH Meter Calibration Solution ORP Tester Calibration Solution Buffer Solutions,PH 4.0 7.0 10.0
$18.95 Save $11.00 RRP: $29.95
Ph Meter, Digital Ph Meter, Ph Meter For Water Ph Meter High Accuracy
$14.95 Save $74.05 RRP: $89.00
PH Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer PH Meter Tester PH Probe B Edition0722
$8.95 Save $30.00 RRP: $38.95
Ph Sensor Electrode 0-14 Ph Controller Electrode Probe
$20.95 Save $6.00 RRP: $26.95
Soil Tester, 3-in-1 Plant Moisture Meter Light and PH Tester for Home, Garden, Lawn, Farm, Indoor and Outdoor Use, Promote Plants Healthy Growth,2024
$13.95 Save $7.00 RRP: $20.95
New Hot Water Test Strips 3 in 1 Spa Test Strips Chlorine Total Alkalinity PH Tester for Hot Tub Swimming Pool
$19.95 Save $3.00 RRP: $22.95
4 in 1 LCD Digital Soil Moisture Meter PH Meter
$18.95 Save $26.00 RRP: $44.95
pH-ATC pH Tester Measuring Pen Digital pH Value Testing Meter 0~14pH 0.1pH with LED Screen
$19.95 Save $11.00 RRP: $30.95
Conductivity Instrument tds Pen Water Quality Analyzer Detector TDS-3 Water Pen
$20.95 Save $13.00 RRP: $33.95
Water quality testing pen home tds water measuring pen meter tds Pen
$17.95 Save $11.00 RRP: $28.95
PH Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer PH Meter Tester PH Probe B
$19.95
Soil Tester Soil Moisture Meter Soil Ph Tester Test Soil Fertility Suitable for Garden Lawn Care Gre
$19.95 Save $34.05 RRP: $54.00
Universal pH Test Paper Strips pH Test Strips Roll, pH Measure Full Range 0-14 16.4 ft/Roll (4 Rolls)
$13.95 Save $21.00 RRP: $34.95
Ph Tester Digital Ph Meter, Professional Ph Pen With 0.01 Ph High Accuracy, 0-14 Ph Measurement Range, Ideal Water Ph Tester For Household Drinking, P
$21.95 Save $12.00 RRP: $33.95
80 Strips/pack PH 1-14 Litmus Paper PH Tester Papers Universal Indicator Paper Test For Water Aquarium Home Tool Measurement
$10.95
TDS-3 Portable LCD Digital TDS Meter Pool Home Water Quality Purity Testing Pen
$11.95
18-Pack PH Meter Buffer Solution Powder, PH 6.86/4.00/9.18, PH Buffer Powder for Precise & Easy PH Tester Calibration
$19.95 Save $8.00 RRP: $27.95
High Precision Water Hardness Instrument Tds Tester Ph Meter Aquarium Pool Water Quality Testing Pe
$20.95 Save $15.00 RRP: $35.95
Digital PH Meter,High Accuracy Water Quality Tester with 0-14 PH Range for Household Drinking
$16.95 Save $7.00 RRP: $23.95
Soil pH Tester 3 in 1 Soil ph Tester, Soil Tester Kit Plant Moisture Tester PH Soil Meter Soil for Flower/Grass/Plant/Garden/Farm/Lawn
$9.95 Save $4.00 RRP: $13.95
3-In-1 TDS Meter Digital Water Tester (TDS,Temperature and EC Meter),0-999Ppm PPM Meter for Hydropo
$17.95
80 Strips PH 1-14 Litmus Paper PH Tester Papers Universal Indicator Paper Test for Water Aquarium
$19.95 Save $84.05 RRP: $104.00
3-in-1 TDS Water Quality Tester High Accuracy Digital Water Testing Kit for Drink Water Water Tester
$12.95 Save $6.00 RRP: $18.95
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
$11.95 Save $8.00 RRP: $19.95
Soil Tester Soil Moisture Meter Soil Ph Tester Test Soil Fertility Suitable for Garden Lawn Care Gr
$15.95 Save $6.00 RRP: $21.95
Digital Ph Meter High Precision Lcd Aquarium Water Acid Ph Tester Pool Analyzer Hfmqv
$19.95 Save $10.00 RRP: $29.95