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pH Testing
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pH Meters
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Apera Instruments SX620 pH Pen Tester Kit with 0.01 pH Accuracy, 3-Point Auto. Calibration, ATC
$
72
.26
above average
2%
ORP Redox Meter Tester -1999~1999mV, 1-Point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa
$
26
.90
above average
5%
HAPHID Combo PH Meter Professional Water Quality Tester High Accuracy 4 in 1 PH/TDS/EC/Temp Digital Multi-Parameter Tester for Laboratory,Aquariums, Hydroponics Pool,Spa,Drinking Water and More
$
42
.99
below average
7%
Pinpoint pH Meter KIT Lab Grade Portable Bench Meter Kit for Easy & Precise Digital pH Measurement - Complete 8 Piece Set
$
98
.00
below average
2%
HAPHID PH Meter Digital Water Quality Tester with 6-Pack Calibration Solution Powder PH Accuracy 0.01 Measurement for 0-14.0 Widely Used in Laboratory,Aquariums, Hydroponics Pool,Drinking Water,ETC
$
14
.99
below average
2%
Digital PH Meter Water Quality Tester for Food Brewing Hydroponics Aquarium RO System Pools, 0-14PH Automatic Temperature Compensation 0.01pH Accuracy, 0-60 Celsius, 3 Pack with Calibration Solution
$
12
.10
below average
7%
Pocket Digital PH Meter Tester Aquarium LCD Pen Monitor PH 0.0-14.0 PH with ATC, Control of Quality Water and ph, Swimming Pools, Household Drinking and Aquarium Water
$
22
.59
below average
10%
TekSky Digital pH Meters - 0.01pH Accuracy, 0-60 Celsius, 0-14 PH Measurement Range - Food Brewing Drinking Hydroponics Aquariums Pools Spa - Calibration Powders, Sensitive Probe Design with ATC
$
11
.95
below average
18%
2-in-1 Combo pH & Temperature Meter Water Quality Tester Replaceable BNC pH Electrode for Aquariums Hydroponics Tanks Aquaculture Laboratory
$
34
.99
above average
7%
KETOTEK Digital Water TDS Meter PH Meter, PPM Tester has TDS-EC-Temp (3-in-1) and ±2% Accuracy, PH Tester with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums Water, Hydroponics, Pools
$
22
.99
above average
3%
Dr.meter Upgraded PH838 0.01 Resolution High Accuracy Backlit Two-Color LCD Display pH Meter with ATC, 0-14pH Measurement Range with Data Hold Function
$
42
.99
above average
12%
KETOTEK Digital Water TDS Meter PH Meter, PPM Tester has TDS-EC-Temp (3-in-1) and ±2% Accuracy, PH Tester with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums Water, Hydroponics, RO System
$
19
.99
below average
2%
Digital PH Meter, Water Quality Tester 0.01 High Accuracy Quality 0-14 Measurement Range for Household Drinking Water, Swimming Pools, Aquariums, Hydroponics
$
13
.19
below average
2%
Water Quality Tester 2 in 1 Set, PH & TDS Water Tester, 0~9990 PPM, EC and Temperature Measurement; 0.01 PH High Accuracy with 0-14 PH Measurement Range, Measure for Water, Wine, Spas, Aquariums
$
17
.99
below average
1%
Apera AI209-T Value Series PH20 pH Tester Combo Kit with 8 oz. Calibration buffers (4,7,10), 4 oz. 3M KCL Storage Solution, Probe Cleaning Brush & CalPod Solution Holder for Easy Calibration
$
91
.49
above average
18%
Digital PH Meter Water Quality Tester 0.01 Accuracy Measurement Range 0-14PH Automatic Temperature Compensation (ATC) Drinking Water Hydroponics Spa Aquarium RO System（Yellow）
$
13
.99
above average
7%
PH Meter with Automatic Calibration - 7Pros High Accuracy Pen Type Water Quality Tester with built-in ATC, 6 pH Calibration Packets, Best Tool to test PH of Hydroponics, Kombucha, Wine, Drinking Water
$
19
.95
above average
8%
KETOTEK Digital Water TDS Meter, Water Quality ppm Tester for Testing Liquid's ppm with ±2% F.S Accuracy and 0-9 990ppm Measurement Range for Hydroponic Nutrient, Drinking Water and Aquariums
$
11
.99
below average
6%
Oakton OK35423-00 Waterproof pH1 EcoTster Solution Meters & Solutions, White
$
66
.69
above average
10%
Digital PH Meter, 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool, Hydroponics and Aquarium Water PH Tester Design with ATC
$
12
.89
below average
21%
SOZEAL PH Tester with Automatic Calibration, Digital PH Meter, Readings are Quick and Accurate...
$
16
.97
above average
10%
KETOTEK Water Quality Test Meter, PH Meter TDS Meter 2 in 1 Kit with 0-16.00 ph and 0-9990 ppm Measure Range for Hydroponics, Aquariums, Drinking Water, RO System, Fishpond and Swimming Pool
$
18
.88
below average
2%
Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy
$
79
.75
above average
5%
PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range, PH Meter for Water/Brewing/Food/Soil/Sauce/Laboratory, TDS Meter, PH Pen
$
13
.59
below average
2%
Apera Instruments AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy, 0-14.0 pH Range
$
45
.77
below average
0%
PH Meter - Phep 5
$
126
above average
2%
VIVOSUN PH Meter Digital PH Tester Pen for Water
$
12
.99
below average
6%
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter
$
17
.99
below average
5%
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