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Uses item details. Price when purchased online
M Buder Seawater Salinity Meter Aquarium Optics Refractometer with ATC, 0-10% Range, Dual Scale Tester (7.48 inches / 19 cm length) $19.63
$1963
current price $19.63M Buder Seawater Salinity Meter Aquarium Optics Refractometer with ATC, 0-10% Range, Dual Scale Tester (7.48 inches / 19 cm length)
Free shipping, arrives in 3+ days
NefLaca 5 In 1 Digital Water Quality Meter Tester Tool PH/TDS/EC/Salinity/Temperature Plants, Aquarium and Pool $17.50
$1750
current price $17.50NefLaca 5 In 1 Digital Water Quality Meter Tester Tool PH/TDS/EC/Salinity/Temperature Plants, Aquarium and Pool
35 out of 5 Stars. 3 reviews
Free shipping, arrives in 3+ days
BOKYAN Accurate Automatic Hydrometer Salt Water Salinity Meter for Fish Tank, Specific Gravity Tester for Marine Aquarium, 8.66 inches / 22 cm $9.21
$921
current price $9.21BOKYAN Accurate Automatic Hydrometer Salt Water Salinity Meter for Fish Tank, Specific Gravity Tester for Marine Aquarium, 8.66 inches / 22 cm
Free shipping, arrives in 3+ days
Digital Display Advanced 5 in 1 Water Tester with High Accuracy Measurements for Hydroponics Aquatics Life and Research $27.15
$2715
current price $27.15Digital Display Advanced 5 in 1 Water Tester with High Accuracy Measurements for Hydroponics Aquatics Life and Research
Free shipping, arrives in 3+ days
Riousery High Precise 6 in 1 Water Quality Meter PH TDS EC SG Salt Temp Tester WiFi US Plug (9.45 inches / 24 cm) $84.83
$8483
current price $84.83Riousery High Precise 6 in 1 Water Quality Meter PH TDS EC SG Salt Temp Tester WiFi US Plug (9.45 inches / 24 cm)
Free shipping, arrives in 3+ days
WiFi 5 in 1 Water Quality Tester PH/TDS/TEMP/EC/SG/Salinity Meter Monitor Digital LCD PH Meter For Pools Aquariums Hydroponics $98.42
$9842
current price $98.42WiFi 5 in 1 Water Quality Tester PH/TDS/TEMP/EC/SG/Salinity Meter Monitor Digital LCD PH Meter For Pools Aquariums Hydroponics
Free shipping, arrives in 3+ days
Tank Level Monitor (40" depth) NMEA 2000 $248.92
$24892
current price $248.92Tank Level Monitor (40" depth) NMEA 2000
Free shipping, arrives in 3+ days
Rechargeable 5 in 1 Salinity/EC/TDS/PH Meter Digital Drinking Water Purity Quality Tester For Aquarium Hydroponics Typ/e-C Charge $56.34
$5634
current price $56.34Rechargeable 5 in 1 Salinity/EC/TDS/PH Meter Digital Drinking Water Purity Quality Tester For Aquarium Hydroponics Typ/e-C Charge
Free shipping, arrives in 3+ days
Bluetooth WiFi 5 in 1 Water Quality Tester Monitor PH TDS TEMP EC SG Salinity Analyzer LCD PH Meter for Drinking Water Aquarium $98.42
$9842
current price $98.42Bluetooth WiFi 5 in 1 Water Quality Tester Monitor PH TDS TEMP EC SG Salinity Analyzer LCD PH Meter for Drinking Water Aquarium
Free shipping, arrives in 3+ days
5 In 1 Bluetooth Water Quality Tester TDS/PH/Salinity/Temp/EC Meter For Hydroponics Aquariums Pools Water Quality Detector ,Multifunctional $72.39
$7239
current price $72.395 In 1 Bluetooth Water Quality Tester TDS/PH/Salinity/Temp/EC Meter For Hydroponics Aquariums Pools Water Quality Detector ,Multifunctional
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5 in 1 Bluetooth Water Quality Tester TDS/S.G/Salinity/Temp/EC Meter for Hydroponics Aquariums Pools ,Easy to Use $67.23
$6723
current price $67.235 in 1 Bluetooth Water Quality Tester TDS/S.G/Salinity/Temp/EC Meter for Hydroponics Aquariums Pools ,Easy to Use
Free shipping, arrives in 3+ days
YAHHU Digital Salinity Tester High Accuracy Water Quality Meter for EC Temp S.G Large LCD Display 9.3 inches / 23.5 cm $25.16
$2516
current price $25.16YAHHU Digital Salinity Tester High Accuracy Water Quality Meter for EC Temp S.G Large LCD Display 9.3 inches / 23.5 cm
Free shipping, arrives in 3+ days
5-in-1 Salinity Digital Tester,Rechargeable Multifunctional High Accuracy Water Temperature //PH/Salinity/TDS/EC Meter $30.97
$3097
current price $30.975-in-1 Salinity Digital Tester,Rechargeable Multifunctional High Accuracy Water Temperature //PH/Salinity/TDS/EC Meter
Free shipping, arrives in 3+ days
Riousery Water Quality Tester Bluetooth Accurate 7 in 1 PH ORP EC TDS SALT SG TEMP Smart App Monitor Meter Pen for Drinking Water Aquariums Hydroponics 7.1 inches / 18 cm $46.25
$4625
current price $46.25Riousery Water Quality Tester Bluetooth Accurate 7 in 1 PH ORP EC TDS SALT SG TEMP Smart App Monitor Meter Pen for Drinking Water Aquariums Hydroponics 7.1 inches / 18 cm
Free shipping, arrives in 3+ days
Best seller 10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $29.99 Was $39.99
Best seller
Now$2999
current price Now $29.99, Was $39.99$39.99
10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
463.5 out of 5 Stars. 46 reviews
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Shipping arrives Thu, Jul 9
Riousery Aquarium Water Meter 3 in 1 Design Digital Backlit Display Hydrogen Temp Water Tester for Pond Fish Tank 7.09 in / 18 cm $35.43
$3543
current price $35.43Riousery Aquarium Water Meter 3 in 1 Design Digital Backlit Display Hydrogen Temp Water Tester for Pond Fish Tank 7.09 in / 18 cm
Free shipping, arrives in 3+ days
5 In 1 Digital PH TDS EC Meter Pen Salinity Temperature Tester Conductivity Filter Purity with Backlight for Aquarium Water $49.22
$4922
current price $49.22Options from $49.22 – $60.22
5 In 1 Digital PH TDS EC Meter Pen Salinity Temperature Tester Conductivity Filter Purity with Backlight for Aquarium Water
Free shipping, arrives in 3+ days
5-in-1 Digital Water Quality Tester PH/TDS/EC/Salinity/Temperature Meter, US Plug Digital PH Meter Pool Salt Tester for Water Temp Meter ATC Household, Hydrophonic, Precision Algorithm Chip $23.59
$2359
current price $23.595-in-1 Digital Water Quality Tester PH/TDS/EC/Salinity/Temperature Meter, US Plug Digital PH Meter Pool Salt Tester for Water Temp Meter ATC Household, Hydrophonic, Precision Algorithm Chip
24.5 out of 5 Stars. 2 reviews
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NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure $22.87
$2287
current price $22.87NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure
Free shipping, arrives in 3+ days
5 In 1 Digital Water Quality Tester Salinity PH Temp EC And TDS Meter For Drinking Water Hydroponics Aquariums Pools ,Multifunctional $63.43
$6343
current price $63.435 In 1 Digital Water Quality Tester Salinity PH Temp EC And TDS Meter For Drinking Water Hydroponics Aquariums Pools ,Multifunctional
Free shipping, arrives in 3+ days
7 In 1 Multifunctional PH TDS EC ORP Salinity SG Temp Meter Pen Type IP67 ATC For Hydroponics, Aquarium ,Multifunctional $61.22
$6122
current price $61.227 In 1 Multifunctional PH TDS EC ORP Salinity SG Temp Meter Pen Type IP67 ATC For Hydroponics, Aquarium ,Multifunctional
11 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days
3-in-1 Digital EC TDS Meter Tester Temperature Pen Water Purity PPM Filter Hydroponic For Aquarium Pool Water Monitor ,Multifunctional $36.68
$3668
current price $36.68Options from $36.68 – $36.85
3-in-1 Digital EC TDS Meter Tester Temperature Pen Water Purity PPM Filter Hydroponic For Aquarium Pool Water Monitor ,Multifunctional
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Rechargeable 5 In 1 Salinity/EC/TDS/PH Meter Digital Drinking Water Purity Quality Tester For Aquarium Hydroponics Type-C Charge ,Reliable $71.05
$7105
current price $71.05Rechargeable 5 In 1 Salinity/EC/TDS/PH Meter Digital Drinking Water Purity Quality Tester For Aquarium Hydroponics Type-C Charge ,Reliable
Free shipping, arrives in 3+ days
5-in-1 Bluetooth Water Quality Tester TDS, PH, Salinity, Temp, EC Meter for Hydroponics, Aquariums, Pools $26.78
$2678
current price $26.785-in-1 Bluetooth Water Quality Tester TDS, PH, Salinity, Temp, EC Meter for Hydroponics, Aquariums, Pools
Free shipping, arrives in 3+ days
Upgrades Digital Water Tester 5 in 1 Salinities Temperature Meter Simple to Use for Hydroponics & Aquariums $31.89 Was $36.21
Now$3189
current price Now $31.89, Was $36.21$36.21
+$1.99 shipping
Upgrades Digital Water Tester 5 in 1 Salinities Temperature Meter Simple to Use for Hydroponics & Aquariums
Shipping arrives in 3+ days
5 in 1 Salinity Meter PH Water Quality Tester Digital EC TDS TEMP Monitor Rechargeable Test for Aquarium Hydroponic Pool $31.71
$3171
current price $31.715 in 1 Salinity Meter PH Water Quality Tester Digital EC TDS TEMP Monitor Rechargeable Test for Aquarium Hydroponic Pool
Free shipping, arrives in 3+ days
Blue Sea Systems Boat DC Digital Meter 8248 | Multi-Function W/ Alarm $218.34
$21834
current price $218.34Blue Sea Systems Boat DC Digital Meter 8248 | Multi-Function W/ Alarm
Free shipping, arrives in 3+ days
5 In 1 Bluetooth PH Meter TDS EC Salinity SG Temperature PH Tester Digital Water Quality Monitor For Aquarium Pool Laboratory ,Multifunctional $60.80
$6080
current price $60.805 In 1 Bluetooth PH Meter TDS EC Salinity SG Temperature PH Tester Digital Water Quality Monitor For Aquarium Pool Laboratory ,Multifunctional
Free shipping, arrives in 3+ days
5 In 1 TDS/EC/Salinity/S.G./Temperature Meter Digital Salimeter Aquarium Water Quality Tester Home Drinking Water Detector ,Multifunctional $47.99
$4799
current price $47.995 In 1 TDS/EC/Salinity/S.G./Temperature Meter Digital Salimeter Aquarium Water Quality Tester Home Drinking Water Detector ,Multifunctional
Free shipping, arrives in 3+ days
Reduced price 5 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $14.73 Was $17.30
Reduced price
2 options
Available in additional 2 optionsNow$1473
current price Now $14.73, Was $17.30$17.30
+$5.99 shipping
Options from $14.73 – $19.55
5 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
Shipping arrives in 3+ days
5 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen With Backlight ,Multifunctional $59.43
$5943
current price $59.435 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen With Backlight ,Multifunctional
Free shipping, arrives in 3+ days
Dreamhall Digital Salinity Tester for Salt Water - Waterproof Salinity Meter with ATC and Temperature Function for Seawater, Aquariums, Marine Monitoring, and Koi Fish Pond White $9.84
$984
current price $9.84Dreamhall Digital Salinity Tester for Salt Water - Waterproof Salinity Meter with ATC and Temperature Function for Seawater, Aquariums, Marine Monitoring, and Koi Fish Pond White
12 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days
Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, $30.21
$3021
current price $30.21Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter,
Free shipping, arrives in 3+ days
LaMotte 1766 Salt/pH/TDS/Temperature Tracer Meter $303.17
$30317
current price $303.17LaMotte 1766 Salt/pH/TDS/Temperature Tracer Meter
11 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days
ZOUYUE Digital Salinity Tester for Salt Water - Waterproof Salinity Meter with ATC and Temperature Function for Seawater, Aquariums, Marine Monitoring, and Koi Fish Pond Blue $6.19
$619
current price $6.19+$5.99 shipping
ZOUYUE Digital Salinity Tester for Salt Water - Waterproof Salinity Meter with ATC and Temperature Function for Seawater, Aquariums, Marine Monitoring, and Koi Fish Pond Blue
Shipping arrives in 3+ days
5 In 1 Bluetooth PH Meter TDS EC Salinity SG Temperature PH Tester Digital Water Quality Monitor For Aquarium Pool Laboratory ,Accurate and Reliable $62.26
$6226
current price $62.265 In 1 Bluetooth PH Meter TDS EC Salinity SG Temperature PH Tester Digital Water Quality Monitor For Aquarium Pool Laboratory ,Accurate and Reliable
Free shipping, arrives in 3+ days
Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy $29.99
$2999
current price $29.99+$2.99 shipping
Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy
Shipping arrives in 3+ days
Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy $30.81
$3081
current price $30.81Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy
22 out of 5 Stars. 2 reviews
Free shipping, arrives in 3+ days
5 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen With Backlight ,Pocket Size Sensor $59.43
$5943
current price $59.435 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen With Backlight ,Pocket Size Sensor
Free shipping, arrives in 3+ days
Accurate Hydrometer Salinity Meter For Aquarium Fish for Marine Sea Saltwat $10.87
$1087
current price $10.87Accurate Hydrometer Salinity Meter For Aquarium Fish for Marine Sea Saltwat
Free shipping, arrives in 3+ days