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Under $20 pH Meters

Shop the best prices on 1,928 great value under $20 ph meters. Shopping for ph meters is easy with Fruugo, with SALE discounts, offers and savings on Zhiyi, Denuotop, Lycxames and more. Buy ph meters online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 1,928
High Precision Water Hardness Instrument TDS Tester PH Meter Aquarium Pool Water Testing Pen
$8.95
18 Pack PH Meter Buffer Solution Powder 6.86/4.00/9.18, PH Calibration Solution Packets for Precise PH Meter
$9.95
PH Sensor for Arduino,PH0-14 Value Detect Sensor Module + PH Electrode Probe BNC,PH Sensor UNO,PH Sensor for Arduino Kit
$22.95 Save $9.00 RRP: $31.95
pH Indicator Solution Portable pH Tester Liquid Acid Base Analyzer For Freshwater And Pool Water Precision Water Tester
$20.95 Save $10.00 RRP: $30.95
0-14 PH Meter PH Test Strips Alkaline Acid Indicator Meter Test Paper Roll for Water Urine Saliva S
$8.95 Save $1.00 RRP: $9.95
3pcs Water Level Indicator Water Level Gauge,flower Pot Water Shortage Reminder Float Water Display Gauge Water Meter
$15.95 Save $23.00 RRP: $38.95
4 In 1 Soil Moisture Meter, Digital Plant Temperature/soil Moisture/ph Meter/sun Strength Soil Tester For Gardening, Agriculture, Indoor And Outdoor P
$17.95 Save $31.00 RRP: $48.95
Digital Ph Meter High Precision Lcd Aquarium Water Acid Ph Tester Pool Analyzer
$15.95
Digital TDS & Temp Meter - Essential Tool for Testing Drinking Water Safety
$15.95 Save $7.00 RRP: $22.95
3 in 1 Digital PH Meter for Water, TDS/PH/Temp Meter, Water Tester for Drinking Water, Swimming Pool
$1.95 Save $1.00 RRP: $2.95
PH Meter for Water, PH Tester 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range, PH Meter
$21.95 Save $52.05 RRP: $74.00
Soil Ph Tester Soil Test Tool Soil Measure Equipment Portable Soil Tester for Garden Backyard
$11.95 Save $38.00 RRP: $49.95
2x 2 Wire 0.56 '' Digital Voltmeter LED Panel Meter, Measuring Range DC 5-120V
$19.95 Save $5.00 RRP: $24.95
Digital Ph Meter Ph Meter 0.01 Ph High Accuracy For Water Quality Testing And Laboratory Use
$20.95 Save $17.00 RRP: $37.95
M3 TDS Meter Tester Portable Water Quality Tester Pen Detector Meter for Swimming Pool
$16.95 Save $27.00 RRP: $43.95
Portable Water Quality Meter Ph Tester Cl2 For Swimming Pool Spa Aquarium Pc101
$18.95
PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aq
$20.95 Save $11.00 RRP: $31.95
50Pcs 6-In-1 Swimming Pool PH Test Paper Residual Chlorine PH Value Alkalinity Hardness Test Strip PH Tester JN
$14.95
TDS Meter, Electronic Water Tester with 0-9990PPM Measurement Ranges, Hand Held Digitals Water Tester Pen for Home Multicolor
$19.95
Digital Ph Meter High Precision Lcd Aquarium Water Acid Ph Tester Pool Analyzer Hfmqv
$16.95
New Arrive TDS Meter Digital Water Quality Tester Testing Kits for Drinking Water 0-9990ppm
$12.95 Save $13.00 RRP: $25.95
Small Desktop Fan Ultra-Quiet USB Portable Foldable Usable in Office Desks and Dormitories Three-Sp
$18.95 Save $4.00 RRP: $22.95
Water PH Tester Digital PH Meter Automatic Calibration A
$12.95 Save $1.00 RRP: $13.95
High Quality 5m pH Alkaline Acid Test Paper Water Litmus Testing For Aquarium Plant
$6.95 Save $2.00 RRP: $8.95
Round 5m 0-14 PH Alkaline Acid Indicator Paper Water Urine Saliva Litmus Testing
$17.95
100 Strip 4.5-9 PH Alkaline Acid Indicator Paper Water Saliva Litmus Testing Kit unbrand
$18.95
1x 80 Strips Full pH 1-14 Test Indicator Paper Litmus Testing Kit unbrand
$14.95
10ml Ph Test Liquid Kit for Drinking Water Measures pH Level Easy to Carry unbrand
$17.95
Water PH Tester Digital PH Meter Automatic Calibration 0.01 Titanium Probe Water Quality Test Monitor Aquarium Pool A
$13.95
5 In 1 Electronic Ph Meter With Tds Ec Salinity Temperature Ph Multi-parameter Tester Waterproof Ip67 High Accuracy Water Ph Meter Automatic Temperatu
$17.95 Save $56.05 RRP: $74.00
Pack of 6 in 1 Pool and Spa Test Strips - Water Test Strips for Chlorine/Free Chlorine/pH/Alkalinity/Cyanuric Acid/Liquid Hardness - 100 Pcs
$13.95 Save $15.00 RRP: $28.95
100Pcs/Bottle Ketone Strips Home Ketosis Urine Weight Lose Analysis Strips
$9.95