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Uses item details. Price when purchased online
Neptune Systems DOS - Multi-Purpose Dosing and Fluid Metering System $339.99
$33999
current price $339.99+$31.99 shipping
Neptune Systems DOS - Multi-Purpose Dosing and Fluid Metering System
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Other options to consider(100)
NFTIGB Acrylic Portable Special Aquaculture Aquarium High Precision Seawater Salinity Meter Salt Measuring Tester Device, 11.02 inches / 28.00 cm $10.65
$1065
current price $10.65NFTIGB Acrylic Portable Special Aquaculture Aquarium High Precision Seawater Salinity Meter Salt Measuring Tester Device, 11.02 inches / 28.00 cm
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Best seller TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools $8.59
Best seller
$859
current price $8.59TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools
4.6 out of 5 stars
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Shipping, arrives Wed, Aug 26
Digital Water Tester 5-in-1, Measures TDS/EC/Salt/Temperature, LCD Backlight, Auto Temp Comp, Pools/Hydroponics/Aquariums $22.49
$2249
current price $22.49Digital Water Tester 5-in-1, Measures TDS/EC/Salt/Temperature, LCD Backlight, Auto Temp Comp, Pools/Hydroponics/Aquariums
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High Precise Digital Water Analysis Tool with TDS Salinity Monitoring for Aquatic Farming Gardening Salinity Monitoring $23.84
$2384
current price $23.84High Precise Digital Water Analysis Tool with TDS Salinity Monitoring for Aquatic Farming Gardening Salinity Monitoring
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Best seller Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems $10.79
Best seller
$1079
current price $10.79Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
4.1 out of 5 stars
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Shipping, arrives Wed, Aug 26
Digital PH Meter, Pool Salt Tester, Multifunctional 7 in 1 Salinity/TDS/EC/Temp/ORP/S. G/PH, Water Quality Testing Kit for Tester Drinking Water,Swimming Pool, Sea Water, Aquarium, Hydroponics $25.69
$2569
current price $25.69Digital PH Meter, Pool Salt Tester, Multifunctional 7 in 1 Salinity/TDS/EC/Temp/ORP/S. G/PH, Water Quality Testing Kit for Tester Drinking Water,Swimming Pool, Sea Water, Aquarium, Hydroponics
3.7 out of 5 stars
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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 $5.19
$519
current price $5.19+$4.99 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
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Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $23.99 Was $29.99
Now$2399
current price Now $23.99, Was $29.99$29.99
Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
3.5 out of 5 stars
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Shipping, arrives Wed, Aug 26
Upgrades Digital Water Tester 5 in 1 Salinities Temperature Meter Simple to Use for Hydroponics & Aquariums $35.94
$3594
current price $35.94Upgrades Digital Water Tester 5 in 1 Salinities Temperature Meter Simple to Use for Hydroponics & Aquariums
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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
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Digital Salinity Meter, High Accuracy 5 In 1 Salinity Tester $35.79
$3579
current price $35.79Digital Salinity Meter, High Accuracy 5 In 1 Salinity Tester
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CEORPER Portable Digital Water Tester For Aquariums Hydroponics TDS Temperature Salinity $25.45
$2545
current price $25.45+$2.99 shipping
CEORPER Portable Digital Water Tester For Aquariums Hydroponics TDS Temperature Salinity
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Best seller 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 $21.59 Was $23.99
Best seller
Now$2159
current price Now $21.59, Was $23.99$23.99
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
4.7 out of 5 stars
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1 Inch Fuel Flow Meter with 3/4 Inch Adapters, Digital Turbine Flow Meter 2.5-31 GPM Inline NPT Metal $29.13
$2913
current price $29.131 Inch Fuel Flow Meter with 3/4 Inch Adapters, Digital Turbine Flow Meter 2.5-31 GPM Inline NPT Metal
5 out of 5 stars
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Clearance OAZOUF 7 in 1 Digital Water Tester, PH/TDS/EC/SALT/SG/ORP/TEMP, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $28.34 Was $31.49
Clearance
Now$2834
current price Now $28.34, Was $31.49$31.49
OAZOUF 7 in 1 Digital Water Tester, PH/TDS/EC/SALT/SG/ORP/TEMP, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
4 out of 5 stars
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Shipping, arrives Wed, Aug 26
Clearance Electronic Water Tester Digital TDS Meter 09990 PPM Portable Water Test Pen With LCD Display Auto Calibration For Drinking Water Aquariums Pools Hydroponics Home Use,tds meter,zero water tester $5.06 Was $5.68
Clearance
Now$506
current price Now $5.06, Was $5.68$5.68
+$3.99 shipping
Electronic Water Tester Digital TDS Meter 09990 PPM Portable Water Test Pen With LCD Display Auto Calibration For Drinking Water Aquariums Pools Hydroponics Home Use,tds meter,zero water tester
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Best seller Pool Salt Tester, Water Tester 5 in 1 TDS EC Salinity Water Temperature pH Meter, Digital Salinity pH Meter for Swimming Pool, Saltwater, Sea Water, Aquarium, Fish Tank $26.99
Best seller
$2699
current price $26.99Pool Salt Tester, Water Tester 5 in 1 TDS EC Salinity Water Temperature pH Meter, Digital Salinity pH Meter for Swimming Pool, Saltwater, Sea Water, Aquarium, Fish Tank
4.3 out of 5 stars
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Clearance! Soovim Digital pH Meter Pen, High Precision Tester for Water Aquarium Hydroponics, Yellow 15.5x3.1cm $6.99
$699
current price $6.99+$4.99 shipping
Clearance! Soovim Digital pH Meter Pen, High Precision Tester for Water Aquarium Hydroponics, Yellow 15.5x3.1cm
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ATO Digital Hydrometer - High Precision Specific Gravity (1.000~1.071 SG) & Salinity (0~100 PPT) Meter with Backlit LCD, Waterproof, for Aquarium, Food, Marine Aquaculture & Labs $136.00
$13600
current price $136.00ATO Digital Hydrometer - High Precision Specific Gravity (1.000~1.071 SG) & Salinity (0~100 PPT) Meter with Backlit LCD, Waterproof, for Aquarium, Food, Marine Aquaculture & Labs
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Deal 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 $27.52 Was $39.99
Deal
Now$2752
current price Now $27.52, 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
3.5 out of 5 stars
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Dusknt Digital Water Tester Meter, Water Tester Pan for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester, White $4.32
$432
current price $4.32+$2.77 shipping
Dusknt Digital Water Tester Meter, Water Tester Pan for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester, White
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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 $46.87 Was $56.84
Now$4687
current price Now $46.87, Was $56.84$56.84
5 in 1 Bluetooth Water Quality Tester TDS/S.G/Salinity/Temp/EC Meter for Hydroponics Aquariums Pools ,Easy to Use
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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 $12.65 Was $17.31
2 options
Available in additional 2 optionsNow$1265
current price Now $12.65, Was $17.31$17.31
+$5.99 shipping
Options from $12.65 – $26.16
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
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Riousery Seawater Salt Meter Aquarium Salinity Measuring Device for Coral Fish Tank Aquaculture Square Shape Direct Reading Hydrometer (8.66 inches / 22 cm) $10.87
$1087
current price $10.87Riousery Seawater Salt Meter Aquarium Salinity Measuring Device for Coral Fish Tank Aquaculture Square Shape Direct Reading Hydrometer (8.66 inches / 22 cm)
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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
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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
Multi-functional Digital Water Quality Tester PH TDS EC ORP Salinity SG Temp For Aquarium Swimming Pool Fish Tank Water Mointor ,Multifunctional $58.36 Was $79.28
Now$5836
current price Now $58.36, Was $79.28$79.28
Multi-functional Digital Water Quality Tester PH TDS EC ORP Salinity SG Temp For Aquarium Swimming Pool Fish Tank Water Mointor ,Multifunctional
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Upgrades Digital Water Tester 5 in 1 Salinities Temperature Meter Simple to Use for Hydroponics & Aquariums $33.89
$3389
current price $33.89Upgrades Digital Water Tester 5 in 1 Salinities Temperature Meter Simple to Use for Hydroponics & Aquariums
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5 In 1 Bluetooth Water Quality Tester TDS/PH/Salinity/Temp/EC Meter For Hydroponics Aquariums Pools Water Quality Detector ,Multifunctional $49.03 Was $64.43
Now$4903
current price Now $49.03, Was $64.43$64.43
5 In 1 Bluetooth Water Quality Tester TDS/PH/Salinity/Temp/EC Meter For Hydroponics Aquariums Pools Water Quality Detector ,Multifunctional
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ESTONE Aquarium Glass Hydrometer with Thermometer Salt Marine Salinity Tester Meter $5.95
$595
current price $5.95+$0.99 shipping
ESTONE Aquarium Glass Hydrometer with Thermometer Salt Marine Salinity Tester Meter
4 out of 5 stars
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Cevemin 5-in-1 IP67 Waterproof Salinity Meter with Digital Display and Backlight - Aquarium Seawater Water Quality Tester for Home and Professional Use $14.99 Was $16.99
Now$1499
current price Now $14.99, Was $16.99$16.99
+$9.79 shipping
Cevemin 5-in-1 IP67 Waterproof Salinity Meter with Digital Display and Backlight - Aquarium Seawater Water Quality Tester for Home and Professional Use
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Glow Water Quality Tester,Salt Water Pool Fish Pond Test Digital LCD Salinity Temp Tester Meter Pen(Button Battery Included),Blue 6x1.17inch $13.99
$1399
current price $13.99Glow Water Quality Tester,Salt Water Pool Fish Pond Test Digital LCD Salinity Temp Tester Meter Pen(Button Battery Included),Blue 6x1.17inch
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COOLHOOD Glass Aquariums Hydrometer with Builtin Thermometers Marine Floating SaltWater Salinities Tester 1.000-1.060 7.87in $7.99
$799
current price $7.99COOLHOOD Glass Aquariums Hydrometer with Builtin Thermometers Marine Floating SaltWater Salinities Tester 1.000-1.060 7.87in
Free shipping, arrives in 3+ days
Aiwou Pool Salt Tester & PH Meter, Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter $28.21
$2821
current price $28.21Aiwou Pool Salt Tester & PH Meter, Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter
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7 In 1 Smart Water Quality Tester,Wireless Wifi Monitor For Aquarium, Measures PH, ORP, TDS, EC, Salinity, SG, TEMP ,Multifunctional $205.39 Was $235.15
Now$20539
current price Now $205.39, Was $235.15$235.15
7 In 1 Smart Water Quality Tester,Wireless Wifi Monitor For Aquarium, Measures PH, ORP, TDS, EC, Salinity, SG, TEMP ,Multifunctional
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Blue Sea - 8251-BSS Meter Digital DC Voltage w/Alarm (1EA) $204.19
$20419
current price $204.19Blue Sea - 8251-BSS Meter Digital DC Voltage w/Alarm (1EA)
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5 In 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter for Pools Aquariums $51.74 Was $59.24
Now$5174
current price Now $51.74, Was $59.24$59.24
5 In 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter for Pools Aquariums
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MQ-210X Original Underwater Quantum PAR Meter $373.00
$37300
current price $373.00+$15.45 shipping
MQ-210X Original Underwater Quantum PAR Meter
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5-in-1 Bluetooth Water Quality Tester TDS, PH, Salinity, Temp, EC Meter for Hydroponics, Aquariums, Pools $22.81 Was $26.58
Now$2281
current price Now $22.81, Was $26.58$26.58
5-in-1 Bluetooth Water Quality Tester TDS, PH, Salinity, Temp, EC Meter for Hydroponics, Aquariums, Pools
Free shipping, arrives in 3+ days