Potency Tester(65)
Uses item details. Price when purchased online
Best seller SUPTREE Digital PH Meter Tester for Water Pool- 0.01ph High Accuracy Pen PH Tester for Cosmetic, Lotion, Foods and Water $9.99 Was $14.99
Now$999
current price Now $9.99, Was $14.99$14.99
SUPTREE Digital PH Meter Tester for Water Pool- 0.01ph High Accuracy Pen PH Tester for Cosmetic, Lotion, Foods and Water
2034.1 out of 5 Stars. 203 reviews
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OBOSOE Digital pH Meter,Water Quality Tester,Water pH Tester With 0-14pH Measurement Range,Suitable For Drinking Water,Hydroponics, Aquarium,Swimming Pool. High Precision 0.01pH Pen Tester From $9.40
From$940
OBOSOE Digital pH Meter,Water Quality Tester,Water pH Tester With 0-14pH Measurement Range,Suitable For Drinking Water,Hydroponics, Aquarium,Swimming Pool. High Precision 0.01pH Pen Tester
124.5 out of 5 Stars. 12 reviews
sdhkgrrt PH Tester, PH Test Pen, Automatic Calibration Water Quality Tester, Portable Precision PH Meter, Acidity Alkalinity Tester, Liquid Testing Tool, Aquarium Water Tester
sdhkgrrt PH Tester, PH Test Pen, Automatic Calibration Water Quality Tester, Portable Precision PH Meter, Acidity Alkalinity Tester, Liquid Testing Tool, Aquarium Water Tester
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
$2999
current price $29.9910 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
373.6 out of 5 Stars. 37 reviews
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AC Infinity pH Meter Kit, High Precision Digital pH Pen with 0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools $59.99
$5999
current price $59.99AC Infinity pH Meter Kit, High Precision Digital pH Pen with 0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools
114.9 out of 5 Stars. 11 reviews
pH Tests - Monitor Acid-Alkaline Balance + Minerals (Calcium, Potassium, Magnesium)
pH Tests - Monitor Acid-Alkaline Balance + Minerals (Calcium, Potassium, Magnesium)
44.3 out of 5 Stars. 4 reviews
Preplabs Portable TDS Meter 4-in-1 Digital Water Tester with Color Alert, Titanium Probe for Pools/Hydroponics/Aquariums, Drinking Water Analysis Kit for Home & Outdoor Safety From $6.49
From$649
Preplabs Portable TDS Meter 4-in-1 Digital Water Tester with Color Alert, Titanium Probe for Pools/Hydroponics/Aquariums, Drinking Water Analysis Kit for Home & Outdoor Safety
Digital pH Tester for Water, pH Meter for Hydroponic Water, TDS Tester EC PPM Test for Nutrients, 4-in-1 Meter for Conductivity, pH Pen for Drinking Water, DWC, Indoor
Digital pH Tester for Water, pH Meter for Hydroponic Water, TDS Tester EC PPM Test for Nutrients, 4-in-1 Meter for Conductivity, pH Pen for Drinking Water, DWC, Indoor
Milwaukee Instruments pH/ORP/Temp Meter, Dual Level Tester Electrode PH58, 0.1 pH, 250 Hrs Battery $219.65 Was $247.57
Now$21965
current price Now $219.65, Was $247.57$247.57
Milwaukee Instruments pH/ORP/Temp Meter, Dual Level Tester Electrode PH58, 0.1 pH, 250 Hrs Battery
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 $20.99
$2099
current price $20.99NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure
Clearance Digital TDS Meter, Electronic Drinking Water Tester, Aquarium Pool Water Quality Checker, Portable Purity Test Pen, Hydroponics PPM Tester for Drinking Water, Aquariums, Pools & Hydroponics Was $5.07
Digital TDS Meter, Electronic Drinking Water Tester, Aquarium Pool Water Quality Checker, Portable Purity Test Pen, Hydroponics PPM Tester for Drinking Water, Aquariums, Pools & Hydroponics
PH Meter for Water Tester PenQuality 0.01 High Accuracy Pocket Size with 0-14 Measurement Range for Soil,Household Drinking,Plants Growing,Pool $11.67
$1167
current price $11.67PH Meter for Water Tester PenQuality 0.01 High Accuracy Pocket Size with 0-14 Measurement Range for Soil,Household Drinking,Plants Growing,Pool
Portable Water TDS Meter Pen EC Conductivity Tester Water Quality Monitor for Drinking Water Fertilizer Concentration ,Reliable
Portable Water TDS Meter Pen EC Conductivity Tester Water Quality Monitor for Drinking Water Fertilizer Concentration ,Reliable
Best seller LabTech LT5010 H2O OK Drinking Water Analysis Test Strips Kit, 10 Water Quality Tests Included, 0.058 lb. From $9.98
3 options
Available in additional 3 optionsFrom$998
LabTech LT5010 H2O OK Drinking Water Analysis Test Strips Kit, 10 Water Quality Tests Included, 0.058 lb.
1554.3 out of 5 Stars. 155 reviews
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Portable Digital TDS Meter Filter Measuring Water Quality Purity Tester Drink Water Tds Meter Pen Type ,Multifunctional $27.00
$2700
current price $27.00Portable Digital TDS Meter Filter Measuring Water Quality Purity Tester Drink Water Tds Meter Pen Type ,Multifunctional
Portable Water TDS Meter Pen EC Conductivity Tester Water Quality Monitor for Drinking Water Fertilizer Concentration ,Reliable $35.48
$3548
current price $35.48Portable Water TDS Meter Pen EC Conductivity Tester Water Quality Monitor for Drinking Water Fertilizer Concentration ,Reliable
Bluelab PENPH pH Pen, Digital Meter for Water with Easy Two Point Calibration and Double Junction Probe Test Kit for Hydroponic System and Indoor Plant Grow, White $119.95
$11995
current price $119.95Bluelab PENPH pH Pen, Digital Meter for Water with Easy Two Point Calibration and Double Junction Probe Test Kit for Hydroponic System and Indoor Plant Grow, White
LCD Digital TDS Meter Water Quality Purity Tester Pen $29.70
$2970
current price $29.70LCD Digital TDS Meter Water Quality Purity Tester Pen
GJX Digital PH Meter Tester for Water Pool 0.01ph High Accuracy Pen PH Tester for Cosmetic Lotion Foods and Water Yellow $8.29
$829
current price $8.29GJX Digital PH Meter Tester for Water Pool 0.01ph High Accuracy Pen PH Tester for Cosmetic Lotion Foods and Water Yellow
One Step pH Urine & Saliva Test Strips, Tests Alkalinity & Acidity Levels, 100 Unisex Strips, 3oz $8.99 Was $10.00
Now$899
current price Now $8.99, Was $10.00$10.00
One Step pH Urine & Saliva Test Strips, Tests Alkalinity & Acidity Levels, 100 Unisex Strips, 3oz
204.4 out of 5 Stars. 20 reviews
EGYMEN pH Test Pen, High Precision Portable pH Meter for Acidity Measurement, Digital pH Tester with Large LCD Display, Water Quality Testing Device with 0.01 Accuracy
EGYMEN pH Test Pen, High Precision Portable pH Meter for Acidity Measurement, Digital pH Tester with Large LCD Display, Water Quality Testing Device with 0.01 Accuracy
PPLoney Portable pH Tester Pen with 0.01 Accuracy for Water & Hydroponics Testing
PPLoney Portable pH Tester Pen with 0.01 Accuracy for Water & Hydroponics Testing
AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with 0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools $79.99
$7999
current price $79.99AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with 0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools
33 out of 5 Stars. 3 reviews
10 in 1 PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G./Resistivity/Temp Water Quality Meter Digital Multifunction Tester For Aquariums ,Multifunctional
10 in 1 PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G./Resistivity/Temp Water Quality Meter Digital Multifunction Tester For Aquariums ,Multifunctional
Water Quality Tester Portable Acidity Meter PH Value Detection for Laboratory, Drinking Water, Aquariums, Hydroponics $49.84
$4984
current price $49.84Water Quality Tester Portable Acidity Meter PH Value Detection for Laboratory, Drinking Water, Aquariums, Hydroponics
Clearance Electronic Water Tester Digital TDS Meter 0–9990 PPM Portable Water Test Pen With LCD Display Auto Calibration For Drinking Water Aquariums Pools Hydroponics Home Use,tds meter,zero water tester Was $5.68
Electronic Water Tester Digital TDS Meter 0–9990 PPM Portable Water Test Pen With LCD Display Auto Calibration For Drinking Water Aquariums Pools Hydroponics Home Use,tds meter,zero water tester
PH Digital PH Meter, Professional PH Pen with PH High Accuracy, 0-14 PH Measurement Range for Household Drinking, Pool And Aquarium $20.82
$2082
current price $20.82PH Digital PH Meter, Professional PH Pen with PH High Accuracy, 0-14 PH Measurement Range for Household Drinking, Pool And Aquarium
Water Quality Monitor Tester, Water Analyzer, Digital conductivity test pen $22.12
$2212
current price $22.12Water Quality Monitor Tester, Water Analyzer, Digital conductivity test pen
FHBVT Portable PH Test Pen Automatic Calibration 0.01 Precision HD Large Screen Long Battery Life Water Quality Tester for US Home Aquarium Gardening Drinking Water Testing & Hydroponics Use
FHBVT Portable PH Test Pen Automatic Calibration 0.01 Precision HD Large Screen Long Battery Life Water Quality Tester for US Home Aquarium Gardening Drinking Water Testing & Hydroponics Use
Reduced price 5 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Tester Measure Water by 5 parameters PH/TDS/EC5 $31.36 Was $36.76
Now$3136
current price Now $31.36, Was $36.76$36.76
5 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Tester Measure Water by 5 parameters PH/TDS/EC5
"BcTlyInc HI Checker pH Tester with Ph Electrode and Batteries, . to . pH, +/-. pH Accuracy, . pH Resolution" $60.58
$6058
current price $60.58"BcTlyInc HI Checker pH Tester with Ph Electrode and Batteries, . to . pH, +/-. pH Accuracy, . pH Resolution"
Usloyux Digital Water Tester Pen for Home, Aquarium, Pool, Hydroponics, Drinking Water, pH and Temperature Tester with ATC, High Accuracy Pocket Tester, Portable Water Quality Test Kit for Lab, From $6.99
From$699
Usloyux Digital Water Tester Pen for Home, Aquarium, Pool, Hydroponics, Drinking Water, pH and Temperature Tester with ATC, High Accuracy Pocket Tester, Portable Water Quality Test Kit for Lab,
Portable PH/TDS/EC/TEMP Four-in-one Test Pen Multi-function Water Quality Detector Conductivity With Backlight $59.63
$5963
current price $59.63Portable PH/TDS/EC/TEMP Four-in-one Test Pen Multi-function Water Quality Detector Conductivity With Backlight
Portable Pen Portable Digital Water Meter Filter Measuring Water Quality Purity Tester TDS Meter ,Multifunctional $29.16
$2916
current price $29.16Portable Pen Portable Digital Water Meter Filter Measuring Water Quality Purity Tester TDS Meter ,Multifunctional
Digital PH Meter, Digital PH Tester , Professional PH Meter PH $21.99
$2199
current price $21.99Digital PH Meter, Digital PH Tester , Professional PH Meter PH
Portable PH/TDS/EC/TEMP Four-in-one Tester Pen Multi-function Tester Pen Water Quality Detector Conductivity $65.84
$6584
current price $65.84Portable PH/TDS/EC/TEMP Four-in-one Tester Pen Multi-function Tester Pen Water Quality Detector Conductivity
Portable pH Test Pen with 0.01 High Precision, Automatic Calibration Water Quality Tester, Large LCD Screen, Includes Battery
Portable pH Test Pen with 0.01 High Precision, Automatic Calibration Water Quality Tester, Large LCD Screen, Includes Battery
Cevemin Portable PH Tester Pen with 0.01 Accuracy - Digital PH Meter for Fish Tank, Swimming Pools, Drinking Water, Hydroponics and Laboratory Testing
Cevemin Portable PH Tester Pen with 0.01 Accuracy - Digital PH Meter for Fish Tank, Swimming Pools, Drinking Water, Hydroponics and Laboratory Testing
Portable Water TDS Meter Pen EC Conductivity Tester Water Quality Monitor for Drinking Water Fertilizer Concentration ,Multifunctional
Portable Water TDS Meter Pen EC Conductivity Tester Water Quality Monitor for Drinking Water Fertilizer Concentration ,Multifunctional
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