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Under $20 pH Meters

Shop the best prices on 3,089 great value under $20 ph meters. Shopping for ph meters is easy with Fruugo, with SALE discounts, offers and savings on Xpba, Wonderful, Elriven 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 3,089
3-in-1 TDS Water Quality Tester High Accuracy Digital Water Testing Kit for Drink Water Water Tester Integrated_i*
$14.95 Save $34.00 RRP: $48.95
Ph Meter, Digital Ph Meter, Ph Meter For Water Ph Meter High Accuracy
$16.95 Save $92.05 RRP: $109.00
TDS Tester for Aquarium - Water Hardness and PH Meter with EC Measurement for Pool Testing
$14.95 Save $84.05 RRP: $99.00
0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter Test Paper Roll for Water Urine Saliva S
$11.95 Save $3.00 RRP: $14.95
Professional Soil PH Meter Tester Accurate PH Instrument Hygrometer Monitor Soil Moisture Sensor Garden Flower Farm Tool
$20.95 Save $10.00 RRP: $30.95
PH Meter Calibration Solution ORP Tester,PH 4.0 7.0 10.0 2025
$15.95 Save $15.00 RRP: $30.95
Universal pH Test Paper Strips, Full Range pH 0-14, 16.4 ft/Roll (4 Rolls)
$17.95 Save $81.05 RRP: $99.00
PH Meter Calibration Solution ORP Tester Calibration Solution Buffer Solutions,PH 4.0 7.0 10.0c p
$20.95 Save $25.00 RRP: $45.95
pH Replacement Probe for Aquariums and Hydroponics, BNC Connector
$18.95 Save $50.05 RRP: $69.00
3-in-1 Tds Water Quality Tester High Accuracy Digital Water Testing Kit For Drink Water Water Teste
$15.95 Save $28.00 RRP: $43.95
Soil pH Meter with Detachable Probe for Garden Soil Testing
$18.95 Save $10.00 RRP: $28.95
3 Pack PH Meter TDS PPM Meter and 3 in 1 Soil PH Tester PH/EC Digital Kit for Home, Garden, Lawn, Farm
$20.95 Save $98.05 RRP: $119.00
Tds Meter Hand Held Tds-3 Ppm Digital Water Quality Pen Tester R.o Pure Osmosis Amyi
$20.95 Save $19.00 RRP: $39.95
Digital Water Quality Tester 0.01 High Accuracy Compact Size PH Tester for Pools Aquariums Drinking
$14.95
H3 TDS Tester Meter Portable Water Quality Analyzer Monitor Test Pen for Swimming Pool
$20.95 Save $25.00 RRP: $45.95
PH Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer PH Meter Tester PH Probe B
$16.95 Save $18.00 RRP: $34.95
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
$12.95
Digital Ph Meter High Precision Lcd Aquarium Water Acid Ph Tester Pool Analyzer Shytmv
$13.95 Save $13.00 RRP: $26.95
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
$10.95 Save $14.00 RRP: $24.95
Pocket Pen Ph Meter Digital Er Ph-009 Ia 0.0-14.0ph For Rium Pool Lab Ph014
$9.95 Save $15.00 RRP: $24.95
9 in 1 Drinking Water Test Kit PH/KH/GH/Fe/Cu/Pb/NO3/NO2/F Water Chemical Testing Chlorine PH Meter for Drinking Water
$11.95 Save $6.00 RRP: $17.95
M1 TDS Meter Test Pen Portable Water Quality Tester for Swimming Pool, Digital Water Quality Analyzer with Easy Read Display
$19.95
Water PH Tester Digital PH Meter Automatic Calibration C
$15.95 Save $1.00 RRP: $16.95
Soil Meter Moisture Light and PH Tester White
$18.95 Save $1.00 RRP: $19.95
2-in-1 Soil pH Meter Fertility Tester pH Tester Soil Tester for Garden Farm Lawn Indoor Outdoor Plant Care
$14.95 Save $7.00 RRP: $21.95
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 $5.00 RRP: $14.95
2-in-1 Soil pH Meter Fertility Tester pH Tester Soil Tester for Garden Farm Lawn Indoor Outdoor Plant Care
$14.95 Save $7.00 RRP: $21.95
3 in 1 Soil PH Tester Water Moisture Test Meter Kit For Garden Plant Testing
$13.95 Save $27.00 RRP: $40.95
High Precision Water Hardness Instrument Tds Tester Ph Meter Aquarium Pool Water Quality Testing Pe
$17.95 Save $9.00 RRP: $26.95
2pcs Ph And Tds Meter Combo Ph Meter And Tds, Ec, Temperature
$20.95 Save $38.05 RRP: $59.00
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 $5.00 RRP: $14.95