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$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$210.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
Amazon.com
Free shipping
$210.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
Amazon.com
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
394
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
52% off
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
$142.81
Duro Flow Meter And Pressure Tester: Home Water Line Test Kit, 0 Psi To 160 Psi, 3/4 in FGHT Female Model: MO-10060
Grainger
2
$142.81
Duro Flow Meter And Pressure Tester: Home Water Line Test Kit, 0 Psi To 160 Psi, 3/4 in FGHT Female Model: MO-10060
Grainger
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
430
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
$22.99
2026 All-New 4 in 1 Digital Water Tester Buy 2 Save $9.99
exlirau
Free shipping
$22.99
2026 All-New 4 in 1 Digital Water Tester Buy 2 Save $9.99
exlirau
$28.88
$36.69
GISNPA 5-In-1 Salt Water Pool Tester, Ph/TDS/EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Water Tester For Drinking Water, Hydroponics,
Amazon.com
22
21% off
$28.88
$36.69
GISNPA 5-In-1 Salt Water Pool Tester, Ph/TDS/EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Water Tester For Drinking Water, Hydroponics,
Amazon.com
$1,132.00
YSI Prosolo Digital Water Quality Meter | Tequipment
TEquipment
$1,132.00
YSI Prosolo Digital Water Quality Meter | Tequipment
TEquipment
$58.99
$83.79
7-In-1 TDS Water Tester 0.01 High Accuracy Digital Ph Meter PH/ TDS/ EC/ Salinity/ Temperature Tester PPM Water Tester For Drinking Water Hydroponics
LightInTheBox
29% off
$58.99
$83.79
7-In-1 TDS Water Tester 0.01 High Accuracy Digital Ph Meter PH/ TDS/ EC/ Salinity/ Temperature Tester PPM Water Tester For Drinking Water Hydroponics
LightInTheBox
$61.65
Everpure EV650020 TDS Meter Pocket Size Check Water
IceMachinesPlus_2024
$61.65
Everpure EV650020 TDS Meter Pocket Size Check Water
IceMachinesPlus_2024
$1,444.00
YSI Proswap-1 Digital Water Quality Meter | Tequipment
TEquipment
$1,444.00
YSI Proswap-1 Digital Water Quality Meter | Tequipment
TEquipment
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$14.49
$27.33
3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
LightInTheBox
46% off
$14.49
$27.33
3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
LightInTheBox
$34.91
HM Digital DM-1 Dual TDS Meter - No Fittings
Fresh Water Systems
2K+
$34.91
HM Digital DM-1 Dual TDS Meter - No Fittings
Fresh Water Systems
$4.00
TDS Meter Digital Water Tester, DUMSAMKER Professional 3-In-1 TDS, Temperature And EC Meter With Carrying Case - Shop Hardware Tools Online Store
kreaagency
$4.00
TDS Meter Digital Water Tester, DUMSAMKER Professional 3-In-1 TDS, Temperature And EC Meter With Carrying Case - Shop Hardware Tools Online Store
kreaagency
$102.00
COM-300: Waterproof Professional Series Ph/EC/TDS/Temp Meter Single
Fresh Water Systems
$102.00
COM-300: Waterproof Professional Series Ph/EC/TDS/Temp Meter Single
Fresh Water Systems
$14.49
3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
LightInTheBox
$14.49
3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
LightInTheBox
$80.99
$161.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - Ez 9909 0.1 | Inspired Finds
Inspire Uplift
Free shipping
50% off
$80.99
$161.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - Ez 9909 0.1 | Inspired Finds
Inspire Uplift
$113.99
$227.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - Yy 1010 0.1 | Inspired Finds
Inspire Uplift
Free shipping
50% off
$113.99
$227.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - Yy 1010 0.1 | Inspired Finds
Inspire Uplift
$95.99
$105.99
Tilswall 8-In-1 Water Quality Tester - Ph, ORP, EC, TDS, Salt, S.G, CF, Temp
Tilswall US
$95.99
$105.99
Tilswall 8-In-1 Water Quality Tester - Ph, ORP, EC, TDS, Salt, S.G, CF, Temp
Tilswall US
$91.99
Allpoints 2036689 Meter Hand Held TDS Monitor Water Quality Testing Device | OEM | Commercial Restaurant Supply
RestaurantSupply.com
$91.99
Allpoints 2036689 Meter Hand Held TDS Monitor Water Quality Testing Device | OEM | Commercial Restaurant Supply
RestaurantSupply.com
$21.73
Digital LCD Color PH/EC/TDS/Salinity/Temperature Water Quality Tester Meter Pen. Moisture & Ph Meters.
eBay.com
$21.73
Digital LCD Color PH/EC/TDS/Salinity/Temperature Water Quality Tester Meter Pen. Moisture & Ph Meters.
eBay.com
$30.78
4In1 PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester Test Tool
www.madhornets.com
$30.78
4In1 PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester Test Tool
www.madhornets.com
$46.99
$50.99
Tilswall Meter Water Quality Tester
Tilswall US
$46.99
$50.99
Tilswall Meter Water Quality Tester
Tilswall US
$104.99
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring C 600A 0.1
Inspire Uplift
$104.99
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring C 600A 0.1
Inspire Uplift
$54.00
Waterproof EC / TDS / Temperature Combo Meter COM-100
Cannon Water Technology
$54.00
Waterproof EC / TDS / Temperature Combo Meter COM-100
Cannon Water Technology
$79.99
HM Digital (PH-80) Hydrotester Water Ph Temperature Tester Meter Pen
Isopure Water
$79.99
HM Digital (PH-80) Hydrotester Water Ph Temperature Tester Meter Pen
Isopure Water
$28.78
5 in 1 Digital Ph Tds Ec Orp Temperature Water Quality Tester Meter
eBay
$28.78
5 in 1 Digital Ph Tds Ec Orp Temperature Water Quality Tester Meter
eBay
$859.99
Hanna Instruments HI83303-01 Aquaculture Photometer - Multi-Parameter Water Quality Tester
Blue Tiger Scientific
$859.99
Hanna Instruments HI83303-01 Aquaculture Photometer - Multi-Parameter Water Quality Tester
Blue Tiger Scientific
$71.70
Tds Meter, 5 in 1 Digital Water Quality Tester, Salinity Ph Ec Temperature Meter With P H Buffer Powder, Tester For Swim
Everymarket INC
$71.70
Tds Meter, 5 in 1 Digital Water Quality Tester, Salinity Ph Ec Temperature Meter With P H Buffer Powder, Tester For Swim
Everymarket INC
$124.62
Areyourshop 4 in 1 Hydrogen Rich Test Pen Ph/Orp/Temp Portable Water Quality Meter Tester Tool For Hydroponics Aquarium
Everymarket INC
$124.62
Areyourshop 4 in 1 Hydrogen Rich Test Pen Ph/Orp/Temp Portable Water Quality Meter Tester Tool For Hydroponics Aquarium
Everymarket INC
$28.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
www.madhornets.com
$28.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
www.madhornets.com
$35.99
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
Walmart
Free shipping
$35.99
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
Walmart
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Shop water tester meter

Sponsored
About our ads
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$210.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
Amazon.com
Free shipping
$210.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
Amazon.com
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
394
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
52% off
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
$142.81
Duro Flow Meter And Pressure Tester: Home Water Line Test Kit, 0 Psi To 160 Psi, 3/4 in FGHT Female Model: MO-10060
Grainger
2
$142.81
Duro Flow Meter And Pressure Tester: Home Water Line Test Kit, 0 Psi To 160 Psi, 3/4 in FGHT Female Model: MO-10060
Grainger
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
430
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
$22.99
2026 All-New 4 in 1 Digital Water Tester Buy 2 Save $9.99
exlirau
Free shipping
$22.99
2026 All-New 4 in 1 Digital Water Tester Buy 2 Save $9.99
exlirau
$28.88
$36.69
GISNPA 5-In-1 Salt Water Pool Tester, Ph/TDS/EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Water Tester For Drinking Water, Hydroponics,
Amazon.com
22
21% off
$28.88
$36.69
GISNPA 5-In-1 Salt Water Pool Tester, Ph/TDS/EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Water Tester For Drinking Water, Hydroponics,
Amazon.com
$1,132.00
YSI Prosolo Digital Water Quality Meter | Tequipment
TEquipment
$1,132.00
YSI Prosolo Digital Water Quality Meter | Tequipment
TEquipment
$58.99
$83.79
7-In-1 TDS Water Tester 0.01 High Accuracy Digital Ph Meter PH/ TDS/ EC/ Salinity/ Temperature Tester PPM Water Tester For Drinking Water Hydroponics
LightInTheBox
29% off
$58.99
$83.79
7-In-1 TDS Water Tester 0.01 High Accuracy Digital Ph Meter PH/ TDS/ EC/ Salinity/ Temperature Tester PPM Water Tester For Drinking Water Hydroponics
LightInTheBox
$61.65
Everpure EV650020 TDS Meter Pocket Size Check Water
IceMachinesPlus_2024
$61.65
Everpure EV650020 TDS Meter Pocket Size Check Water
IceMachinesPlus_2024
$1,444.00
YSI Proswap-1 Digital Water Quality Meter | Tequipment
TEquipment
$1,444.00
YSI Proswap-1 Digital Water Quality Meter | Tequipment
TEquipment
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$14.49
$27.33
3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
LightInTheBox
46% off
$14.49
$27.33
3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
LightInTheBox
$34.91
HM Digital DM-1 Dual TDS Meter - No Fittings
Fresh Water Systems
2K+
$34.91
HM Digital DM-1 Dual TDS Meter - No Fittings
Fresh Water Systems
$4.00
TDS Meter Digital Water Tester, DUMSAMKER Professional 3-In-1 TDS, Temperature And EC Meter With Carrying Case - Shop Hardware Tools Online Store
kreaagency
$4.00
TDS Meter Digital Water Tester, DUMSAMKER Professional 3-In-1 TDS, Temperature And EC Meter With Carrying Case - Shop Hardware Tools Online Store
kreaagency