Test Kits & Thermometers

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Hydroponic Nutrient pH Value Tester, Digital pH Meter with 2 Pack of Calibration Solution Mixture Included
(29)

$13.99

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Hydroponic Nutrient TDS Meter, Water Quality Tester for Hydroponic Nutrient Level, Household Drinking Water, Pool, Aquarium Water.
(30)

$9.99

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6 in 1 Digital Monitor Water testing Meter- ph ppm temp tds ec cf Tester
(1)

$109.99

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Etekcity 2 Pack 2011 Plus Digital pH Meter, 0.01 Resolution, 0.05 Accuracy Handheld Pen Tester (Yellow)
(25)

$24.99

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3 in 1 Professional Water Quality Test Meter, Professional Quality TDS, EC & Temperature Meter, 0-9990ppm. Accurate and Reliable Water Test Meter. Ideal for Drinking Water, Aquariums.
(92)

$13.99

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LOVEBAY Digital PH Meter, Pocket Size 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools(Style 2)
(41)

$6.99

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GAME 1700 Derby Dolphin Spa and Pool Themometer
(19)

$12.35

Avg. Savings $0.87
[Large Floating Pool Thermometer] eLander Pro Water Thermometers, for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs, Fish Ponds
(130)

$7.99

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Aquascape - KoiMedic Salt Meter - Electronic Pond Water Salt Level Tester
(39)

$90.00

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Electronic Water Level
(29)

$40.22

Avg. Savings $2
Digital Water Quality Tester TDS Meter Thermometer with Backlit LCD Screen. Accurate and Reliable, With Protective Carrying Case. TDS (Totally Dissolved Solids)
(10)

$12.99

Avg. Savings $1
ZT-2 + WS-425B City, HM Digital TDS ppm Tester + Watersafe Home Tap Drinking Water Test Kit, Bacteria, Lead, Pesticide, Nitrate / Nitrite, pH, Hardness, Chlorine
(8)

$89.93

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VIVOSUN pH Meter Digital pH Tester Pen for Water JJ221449
(4)

$12.96

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Northlight 10.25" Jumbo Easy-Read Transparent Blue Swimming Pool Thermometer with Cord
(2)

$5.49

Avg. Savings $3
Secchi Disk With Lanyard For Easy Water Quality Testing
(2)

$27.99

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ICOCO Professional Quality Water Test Meter, LCD Digital TDS Meter Filter Pen Temp PPM Tester Stick Water Purity Tester 0-9990 PPM Temperature Pen
(2)

$7.99

Avg. Savings $0.66
HM Digital Tds Water Testing Meter, Tds-4
(1)

$11.50

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ZT-2 + WS-425W Well Drinking Water, HM Digital TDS ppm Meter/Tester + Watersafe Test Kit, Bacteria, Lead, Pesticide, Nitrate / Nitrite, pH, Hardness, Chlorine, Copper, Iron

$34.99

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AQUANIQUE Floating Pond Thermometer

$14.86

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Tanice TDS Meter Digital Water Tester TDS EC Temperature ppm Meter Range at 0-9990 with Color Change Function Water Purity Test for Drinking Water, Aquariums, Hydroponics

$7.99

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DILISS Digital PH Meter / PH Tester / Mini Water Quality Tester for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools, 0.1PH Resolution - Extra PH Calibration Solution Mixture
(165)

$12.68

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HDE Grower's Toolbox- Digital pH Meter and TDS Water Temperature Purity Salinity ppm Pen for Hydroponic Pool Aquarium Fish Tank Water Quality
(163)

$12.99

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HeathyWiser Digital TDS EC Meter, Professional-Grade Water Test Kit Tests Water Quality in Drinking Water, Aquariums and More, Purple, Includes Protective Leather Case & Protective Cap
(149)

$15.16

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Health Metric New Digital pH Meter / Tester Full Kit 2017 Edition - Suitable For Water, Food, Aquarium, Pool & Hydroponics
(68)

$16.97

Avg. Savings $8
LOVEBAY Digital PH Meter, Pocket Size 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools(Style 1)
(41)

$8.49

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Global Pure Test TDS Digital Meter with LCD Screen For Water Quality Testing -9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy (TDS Tester-Blue)
(40)

$6.95

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XLUX Digital TDS Meter, Water Quality Tester, 0-9990 ppm Measurement Range, 1 ppm Resolution, 2% Readout Accuracy
(35)

$8.99

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Solaxx Salt Dip 2-in-1 Salt Water Electronic Water Tester
(31)

$108.25

Avg. Savings $0.01
High Range TDS, EC and Temperature Meter, Water Quality Test Meter for Drinking Water, Aquariums, Swimming Pool, Ponds, Travelling and more
(16)

$20.99

Avg. Savings $1
PH Meter, Isuri High Accuracy Digital PH Meter Mini PH Pen Tester Water Quality Tester for Household Drinking Water, Aquariums, Swimming Pools, PH 0-14.0 Measuring Range (Yellow)
(14)

$11.98

Avg. Savings $0.99
Jellas TDS-982 Pen-type TDS Meter Water Quality Tester with 4 Digital Backlit LCD Display, 0-1999 ppm Measurement Range , 1 ppm Resolution, +/- 2% F.S Accuracy.
(12)

$31.99

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HDE Digital TDS (Total Dissolved Solids) Water Purity Quality Tester Meter ppm Pen
(12)

$8.99

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2 Pairs of pH Buffer Solution Powder for Meter Calibration; Light and Portable Just Add Distilled Water; Makes 2 x 1 cup Jars of Each 4.01 and 6.86 Solution
(10)

$7.97

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Water Quality Digital Tester High Accuracy [ Storm Buy ] pH Meter / pH Tester with ATC + TDS Tester Aquarium Pool Hydroponic Water Monitor 0-9999 PPM
(10)

$19.87

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Warmoor Large Floating Pool Thermometer, Premium Water Temperature Thermometers with Jumbo Read Display Perfect for Outdoor & Indoor Swimming Pools, Bath, Spas, Hot Tubs, Fish Ponds
(9)

$10.99

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Wall Mounted Galileo Thermometer 18in
(8)

$55.30

Avg. Savings $6
Digital pH Meter Monitor with Replaceable Electrode Probe
(8)

$31.90

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3x Watersafe WS-207 Lead in Home Tap Drinking Water Test Kit, Single Use per package.
(5)

$31.27

Avg. Savings $1
Combo Meter for EC Conductivity, TDS and Temperature PPM PPT uS mS C/F Pen-type 1-Pack with Pouch
(5)

$27.90

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Excelvan Digital Water Quality Tester TDS EC Meter for Household Drinking Water, Aquariums, Ponds
(4)

$9.99

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Szxhf Grower's Toolbox- Digital pH Meter and TDS Water Temperature Purity Salinity ppm Pen for Hydroponic Pool Aquarium Fish Tank Water Quality
(3)

$18.20

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Pond Boss DPT Pond Thermometer
(3)

$19.99

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6.75" Silver Metallic Floating Round Swimming Pool Thermometer with Cord
(3)

$8.08

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Brand New Pen Type Meter Long Tube Self Calibration One Touch for aquarium, beverage, aquaculture, food processing, laboratory, quality control, school & more.
(3)

$34.90

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Water Quality Tester,UEB Digital TDS EC Meter, Professional-Grade Water Test Kit for in Drinking Water, Aquariums and More
(2)

$10.90

Avg. Savings $7
Professional 3 in 1 Portable pH/TDS/TEMP Meter Trimeter Water Quality Monitor Tester Wine
(2)

$44.99

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LeaningTech pH/EC-9853 Mini 2-in-1 pH EC Water Quality Test Monitor, Calibration Tool, Acidometer for Laboratory Hydroponics Pool Aquarium Water Treatment,US
(2)

$28.99

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3-in-1 Water TDS EC Temperature Tester Meter - Exqline Accurate Professional TDS Tester for Domestic Water Testing, Filter Performance, Aquariums, Aquaculture
(2)

$15.99

Avg. Savings $1
Combo Meter for EC Conductivity, TDS and Temperature PPM PPT uS mS C/F Pen-type 1-Pack with Pouch
(1)

$29.90

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4x20ml, Storage + pH 4 + 7 + 10 Buffer Calibration/Solution/Fluid/Probe/Tester
(1)

$9.95

Avg. Savings $1