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Shop the best prices on 8,996 great value ph meters. Shopping for ph meters is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Denuotop and more. Buy ph meters online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,401 - 2,432 of 8,996
1Pc Digital TDS Total Dissolved Solids Meter Pen Water Quality Purity TEMP/PPM Testing
$18.95 Save $6.00 RRP: $24.95
High Precision Water Hardness Instrument Tds Tester Ph Meter Aquarium Pool Water Quality Testing Pe f54 unbrand
$59.00 Save $70.00 RRP: $129.00
Professional Laboratory Electrode Aquarium Hydroponic Spare Laboratory pH Electrode Probe BNC Controller Meter Connector
$23.95 Save $7.00 RRP: $30.95
0.01 Precision LCD PH Meter Water Quality Tester Digital Measuring Range PH Test Pen Suitable for Swimming Pool Aquarium
$16.95 Save $5.00 RRP: $21.95
9908 Portable Water Quality Tester High Precision PH/EC Conductivity
$29.95 Save $9.00 RRP: $38.95
4 In 1 Soil Ph Tester Soil Moisture Meter Plant Soil Ph Tester
$89.00 Save $80.00 RRP: $169.00
Ph-98103 Professional Portable Pen Type Ph Meter With Ph Electrode Lcd Backlit Display Acidimeter Industry And Experiment Analyzer Ph-meter Measure Ho
$84.00 Save $75.00 RRP: $159.00
PH EC Temperature Meter DC 6V High Accuracy Portable LCD Hydroponic Monitor Multifunctional TesterUK Plug 220V
$79.00 Save $50.00 RRP: $129.00
PH Test Paper 2 Color 4.59.0 Quick Testing 100 PH Monitoring Strips with Colour Card for Water
$13.95 Save $8.00 RRP: $21.95
TDS Meter Digital Water Quality Tester Portable 3 in 1 High Accuracy EC Temp Testing Kit
$16.95 Save $9.00 RRP: $25.95
Multi Parameter Water Quality Tester S.G PH EC SALT ORP TDS CF TEMP 8 in 1 Rechargeable Online Monitoring for Aquarium EU Plug 230V
$129.00 Save $70.00 RRP: $199.00
Water Quality Tester 5 In 1 PH Salt TDS EC Temperature Meter for Swimming Pool Drinking Water Aquariums High Accuracy Multi Display
$40.95 Save $23.05 RRP: $64.00
PH Redox Tester WallMounted Reduction Potential Meter Water Quality Monitor
$89.00 Save $60.00 RRP: $149.00
Digital Salinity Tester High Accuracy Wide Range Temp Comp Large LCD Water Quality Tester for EC Temp S.G
$34.95 Save $24.05 RRP: $59.00
Multi Parameter Water Quality Tester S.G PH EC SALT ORP TDS CF TEMP 8 in 1 Rechargeable Online Monitoring for Aquarium UK Plug 230V
$129.00 Save $70.00 RRP: $199.00
WiFi Water Quality Tester with Smart App Control, Digital pH Meter for Hydroponics, Aquarium, Pool
$199.00 Save $100.00 RRP: $299.00
7 in 1 Water Quality Tester Digital PH TDS EC ORP Salinity Meter IP67 Waterproof LCD Display
$89.00 Save $50.00 RRP: $139.00
3 in 1 Digital TDS EC Temperature Meter with LCD Display for Drinking Water and Aquarium Testing
$22.95 Save $12.00 RRP: $34.95
Water Quality Tester with Precision Digital Meter and LCD Display for Aquariums Pools Hydroponics
$54.00 Save $30.00 RRP: $84.00
4 in 1 pH EC TDS Temperature Meter for Hydroponics Nutrient Solution with RealTime Display
$94.00 Save $45.00 RRP: $139.00
TDS Water Quality Tester Dual Probe Accuracy RealTime Monitor for Tap Water and Fish Tank
$69.00 Save $35.00 RRP: $104.00
Digital PH Meter with Clear Display and Replaceable Probe for Aquarium Hydroponics Wall Mount
$48.95 Save $25.05 RRP: $74.00
TDS Meter Digital Water Quality Tester with LCD Display for Aquarium and Drinking Water
$20.95 Save $10.00 RRP: $30.95
Water Testing Kit and Digital Water Quality Meter for Drinking Water Pools Aquariums with Backlit Display
$79.00 Save $40.00 RRP: $119.00
TDS Meter with EC and Temperature, Accurate Water Quality Tester for Drinking, Aquarium, Hydroponics
$20.95 Save $10.00 RRP: $30.95
4 in 1 YY-400 PH/ORP/H2&TEM Meter Digital Hydrogen Ion Concentration Tester for Aquarium, Swimming
$79.00 Save $50.00 RRP: $129.00
DO-66 Dissolved Oxygen Tester, Dissolved Oxygen Meter Portable Digital DO Tester Analyzer for Aquaculture Aquarium GQ3
$229.00 Save $10.00 RRP: $239.00
Swimming Pool Salt Tester and pH Meter, Hofun Digital Salinity Meter and pH Tester for Swimming Pool Salt Water
$48.95 Save $25.05 RRP: $74.00
Rankomu Inoculating Rod Portable Liquid Conductivity Meter Pen, Digital Electrical Conductivity Tester, Accurate Readings for Water Testing,
$13.95 Save $17.00 RRP: $30.95
Testeur numérique multifonction 5 en 1 de qualité de l'eau, portable, pH/salinité/température/TDS/EC, moniteur, stylo
$39.95 Save $12.00 RRP: $51.95
Stylo testeur de pH, mesure précise, rétroéclairage automatique, testeur de qualité de l'eau, pH 0 à 14
$22.95 Save $7.00 RRP: $29.95
Testeur de conductivité et de température TDS numérique LCD portable 3 en 1, moniteur de qualité de l'eau, nouveau
$18.95 Save $6.00 RRP: $24.95