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Digital Hardness Meter Durometer Hardness Tester - Portable and Versatile for Measuring 0-100HD Shore A/C/D Hardness of Rubber, Tires, Plastics, Thermal Plastics, Flooring, and Bowling Balls

Digital Hardness Meter Durometer Hardness Tester - Portable and Versatile for Measuring 0-100HD Shore A/C/D Hardness of Rubber, Tires, Plastics, Thermal Plastics, Flooring, and Bowling Balls

$178
GAIN EXPRESS Portable 0-100HD Shore D Hardness Tester Meter Digital Durometer Scale for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling balll with Large LCD Display

GAIN EXPRESS Portable 0-100HD Shore D Hardness Tester Meter Digital Durometer Scale for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling balll with Large LCD Display

4.3
$299
TSUBOSAN Japan-Hardness Tester Checker File HRC40-HRC65 Set of 6

TSUBOSAN Japan-Hardness Tester Checker File HRC40-HRC65 Set of 6

4.7
$559
Portable 0-100HD Shore D Hardness Tester Meter Digital Durometer Scale for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling ball with large LCD Display

Portable 0-100HD Shore D Hardness Tester Meter Digital Durometer Scale for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling ball with large LCD Display

4.3
$352
Hardness Tester-Digital 100HD A Durometer Shore Rubber Hardness Tester LCD Display Meter

Hardness Tester-Digital 100HD A Durometer Shore Rubber Hardness Tester LCD Display Meter

EX$153
Konvio Neer Imported Tds Meter, Total Dissolved Solids Meter, Water Quality Tester, Ppm Tester For Water Testing - White

Konvio Neer Imported Tds Meter, Total Dissolved Solids Meter, Water Quality Tester, Ppm Tester For Water Testing - White

4.3
$48
Portable 0-100HA Shore A Hardness Tester Meter, Digital Durometer Scale, with Large LCD Display, for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling Balll, Leather, Wax

Portable 0-100HA Shore A Hardness Tester Meter, Digital Durometer Scale, with Large LCD Display, for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling Balll, Leather, Wax

4.7
$430
Metal Hardness Tester Kit, Digital Non-Destructive Leeb Testing with Multi Scales

Metal Hardness Tester Kit, Digital Non-Destructive Leeb Testing with Multi Scales

4.4
$2,259
SimplexHealth Total Hardness Water Test Strips (10 Strips)

SimplexHealth Total Hardness Water Test Strips (10 Strips)

4.4
$57
Wintact Digital Ultrasonic Thickness Gauge Tester Meter, Range 0.039 to 8.85 in with Probe for Measuring Metal and Nonmetal Materials, Steel, Silver, Plastic, Glass, PVC, Pipes

Wintact Digital Ultrasonic Thickness Gauge Tester Meter, Range 0.039 to 8.85 in with Probe for Measuring Metal and Nonmetal Materials, Steel, Silver, Plastic, Glass, PVC, Pipes

4.3
$1,439
GluckluzDigital PH Meter 7-in-1 TDS/EC/Salt/S G/Temps/ORP Water Quality Tester Waterproof Pen Tester with LCD Display & 0.01 High Accuracy & ATC System & 3 PH Buffer Powder for Pool Aquarium

GluckluzDigital PH Meter 7-in-1 TDS/EC/Salt/S G/Temps/ORP Water Quality Tester Waterproof Pen Tester with LCD Display & 0.01 High Accuracy & ATC System & 3 PH Buffer Powder for Pool Aquarium

$249
Water Hardness Test Kit - DoubleCheck200 Strips with Sample Cup - Hard Water Testing Kit

Water Hardness Test Kit - DoubleCheck200 Strips with Sample Cup - Hard Water Testing Kit

4.3
$173
BOSIKE2 in 1 Water Test Kit Hardness & pH - 150 Strips - Hard Water Tester for Tap Drinking - Softener, Dishwasher, Pool, Spa & Well Testing Kits

BOSIKE2 in 1 Water Test Kit Hardness & pH - 150 Strips - Hard Water Tester for Tap Drinking - Softener, Dishwasher, Pool, Spa & Well Testing Kits

4.5
$77
Portable Leeb Hardness Tester Kit with Test Block,Hardness Testing Equipment,Rockwell Metal Hardness Meter Durometer for Steel,Aluminum Alloy,Copper,7-in-1 HL, HV, HB, HRC, HRB, HRA, HS

Portable Leeb Hardness Tester Kit with Test Block,Hardness Testing Equipment,Rockwell Metal Hardness Meter Durometer for Steel,Aluminum Alloy,Copper,7-in-1 HL, HV, HB, HRC, HRB, HRA, HS

4.7
$1,829
GAIN EXPRESSCompact Pocket Size Digital Shore A Hardness Meter Tester 1-100ha Durometer LCD Display

GAIN EXPRESSCompact Pocket Size Digital Shore A Hardness Meter Tester 1-100ha Durometer LCD Display

4.4
$299
Leeb Hardness Tester Meter 170 to 960 HLD Metals Durometer Tester HL HB HRB HRC HRA HV HS with Standard D Type Impact Device D Test Block for Steel Iron Bronze Copper 10 Materials

Leeb Hardness Tester Meter 170 to 960 HLD Metals Durometer Tester HL HB HRB HRC HRA HV HS with Standard D Type Impact Device D Test Block for Steel Iron Bronze Copper 10 Materials

4.7
$2,669
Portable Brinell Hardness Tester KH180,can be Freely Converted to All Hardness Systems (HL, HB, HRB, HRC, HRA, HV, HS) Without Calculation

Portable Brinell Hardness Tester KH180,can be Freely Converted to All Hardness Systems (HL, HB, HRB, HRC, HRA, HV, HS) Without Calculation

5.0
$2,089
gernie Digital Hardness Tester, High Accuracy Portable Durometer with TFT Color Screen, Leeb, Rockwell, Vickers, for Steel and More (HT-1208)

gernie Digital Hardness Tester, High Accuracy Portable Durometer with TFT Color Screen, Leeb, Rockwell, Vickers, for Steel and More (HT-1208)

$2,179
Walfront Rubber Tire Durometer Hardness Tester Meter Shore Type A/O/D Dial Value 0-100 Degrees(Type A)

Walfront Rubber Tire Durometer Hardness Tester Meter Shore Type A/O/D Dial Value 0-100 Degrees(Type A)

4.2
$186
Hamkaw 6 in 1 Total Hardness Water Test Strips - 50 Pieces

Hamkaw 6 in 1 Total Hardness Water Test Strips - 50 Pieces

3.4
$128
Shore Durometer - Type A Rubber Durometers Hardness Tester Tire Testing Meter with Storage Case 0-100 HA of and Plastics (A)

Shore Durometer - Type A Rubber Durometers Hardness Tester Tire Testing Meter with Storage Case 0-100 HA of and Plastics (A)

4.3
$290
Metal Hardness Tester - Portable Hardness Tester Kit with Test Block,Pen Type Richter Hardness Tester,Rockwell Metal Hardness Meter

Metal Hardness Tester - Portable Hardness Tester Kit with Test Block,Pen Type Richter Hardness Tester,Rockwell Metal Hardness Meter

$2,359
Shore Durometer Tester, Rubber Tire Durometer, Shore Type A,O,D Rubber Tire Durometer Hardness Tester Meter 0‑100 HA for Synthetic Rubber Polyester Leather Wax(Type A) (A Type)

Shore Durometer Tester, Rubber Tire Durometer, Shore Type A,O,D Rubber Tire Durometer Hardness Tester Meter 0‑100 HA for Synthetic Rubber Polyester Leather Wax(Type A) (A Type)

$93
NALACAL Portable Hardness Tester, 0-100HA Shore Hardness Meter Rubber Hardness Tester Tire Hardness Durometer for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling balll (A Hardness)

NALACAL Portable Hardness Tester, 0-100HA Shore Hardness Meter Rubber Hardness Tester Tire Hardness Durometer for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling balll (A Hardness)

$415
Portable Electronic Diamond Tester Pen with UV Light, High Accuracy Professional Real Diamond Selector Hardness Gem Test Tool for Jewelry Stones, Novice Expert

Portable Electronic Diamond Tester Pen with UV Light, High Accuracy Professional Real Diamond Selector Hardness Gem Test Tool for Jewelry Stones, Novice Expert

$106
MXBAOHENG Diamond Rockwell HRC-3 Indenter for Hardness Tester Diamond Indenter 120 Degree for Rockwell Hardness Tester

MXBAOHENG Diamond Rockwell HRC-3 Indenter for Hardness Tester Diamond Indenter 120 Degree for Rockwell Hardness Tester

4.7
$266
GY-03 Fruit Hardness Tester, Fruit Penetrometer Sclerometer Fruit Hardness Tester Hand Fruit Durometer Machine with 2 Measuring Head, Fruit Penetrometer

GY-03 Fruit Hardness Tester, Fruit Penetrometer Sclerometer Fruit Hardness Tester Hand Fruit Durometer Machine with 2 Measuring Head, Fruit Penetrometer

$504
Jaexest Fruit Hardness Tester, GY-03 Fruit Penetrometer, Portable Fruit Sclerometer with 2 Measure Indenter and a Storage Case

Jaexest Fruit Hardness Tester, GY-03 Fruit Penetrometer, Portable Fruit Sclerometer with 2 Measure Indenter and a Storage Case

$340
GY-M30 Digital Fruit Hardness Tester Meter Mini Fruit Penetrometer Durometer with Range 0.4 to 30 Kgf/cm² (x10^5 Pa) Load Division Value 0.01Kgf/cm² Pressure Head Diameter Φ7.9mm for Fruits

GY-M30 Digital Fruit Hardness Tester Meter Mini Fruit Penetrometer Durometer with Range 0.4 to 30 Kgf/cm² (x10^5 Pa) Load Division Value 0.01Kgf/cm² Pressure Head Diameter Φ7.9mm for Fruits

$161
Portable Brinell hardness tester NDT230, color screen hardness tester can conduct high-precision testing of all metal materials

Portable Brinell hardness tester NDT230, color screen hardness tester can conduct high-precision testing of all metal materials

$1,010
MGW Precision Shore A Hardness Tester Durometer with Test Piece

MGW Precision Shore A Hardness Tester Durometer with Test Piece

3.8
$509
TSUBOSAN Kosiy Japan-Hardness Tester Checker File HRC40-HRC65 Set of 6

TSUBOSAN Kosiy Japan-Hardness Tester Checker File HRC40-HRC65 Set of 6

$539
KISS KITTY Water Testing Kit, 100pcs 7 in 1 Water Tester for Drinking Water, Home And Well Water Testing Strips, Water Hardness Test Kit for Spa,Bath,Pools, PH, Free Chlorine(Bromine),Cyanuric Acid

KISS KITTY Water Testing Kit, 100pcs 7 in 1 Water Tester for Drinking Water, Home And Well Water Testing Strips, Water Hardness Test Kit for Spa,Bath,Pools, PH, Free Chlorine(Bromine),Cyanuric Acid

5.0
$147
YUZUKI Rubber Hardness Tester Shore A without Pin Pointer

YUZUKI Rubber Hardness Tester Shore A without Pin Pointer

4.1
$468
Skyking Metal Hardness Tester Kit with Test Block, Hardness Testing Equipment, Rockwell Metal Hardness Meter Durometer for Steel, Aluminum Alloy, Copper,7-in-1 HL, HV, HB, HRC, HRB, HRA, HS (TH-270)

Skyking Metal Hardness Tester Kit with Test Block, Hardness Testing Equipment, Rockwell Metal Hardness Meter Durometer for Steel, Aluminum Alloy, Copper,7-in-1 HL, HV, HB, HRC, HRB, HRA, HS (TH-270)

$2,929
Fruit hardness tester,NANZU GY-M15 Digital Fruit Hardness Tester Meter Mini Fruit Penetrometer Durometer with Range 0.2 to 15 Kgf/cm² (x10^5 Pa) Load Division Value 0. 01Kgf/cm² Pressure Head Diamete

Fruit hardness tester,NANZU GY-M15 Digital Fruit Hardness Tester Meter Mini Fruit Penetrometer Durometer with Range 0.2 to 15 Kgf/cm² (x10^5 Pa) Load Division Value 0. 01Kgf/cm² Pressure Head Diamete

$171
Gilian Water Quality Test Kit, 16 in 1 Drinking Water Test Kit - Lead Test Strips for Drinking Water 100 Strips for Testing Lead, Hardness, Iron, Copper

Gilian Water Quality Test Kit, 16 in 1 Drinking Water Test Kit - Lead Test Strips for Drinking Water 100 Strips for Testing Lead, Hardness, Iron, Copper

$143
Shore A Meter - Hardness r Digital 100hd Durometer Rubber LCD Display

Shore A Meter - Hardness r Digital 100hd Durometer Rubber LCD Display

4.4
$2,929
Portable 0-100HD Shore A/C/D Hardness Digital Hardness Meter Durometer Hardness Tester with Large LCD Display for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling balll (A Hardness)

Portable 0-100HD Shore A/C/D Hardness Digital Hardness Meter Durometer Hardness Tester with Large LCD Display for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling balll (A Hardness)

4.2
$253
WonVon Portable 0-100HD Shore A/C/D Hardness Digital Hardness Meter Durometer Hardness Tester with Large LCD Display for Rubber Tire Thermal Plastic Flooring Bowling balll A Hardness QMLBH0730HA-C-D

WonVon Portable 0-100HD Shore A/C/D Hardness Digital Hardness Meter Durometer Hardness Tester with Large LCD Display for Rubber Tire Thermal Plastic Flooring Bowling balll A Hardness QMLBH0730HA-C-D

4.3
$377
Durometer, Portable 0-100HD Shore D Hardness Tester Meter Digital Durometer Scale for Rubber Tire Plastic Flooring with Large LCD Display

Durometer, Portable 0-100HD Shore D Hardness Tester Meter Digital Durometer Scale for Rubber Tire Plastic Flooring with Large LCD Display

$88
Rubber Hardness Tester Shore Type A/O/D Rubber Tire Durometer Hardness Tester Meter 0-100 HA(A)

Rubber Hardness Tester Shore Type A/O/D Rubber Tire Durometer Hardness Tester Meter 0-100 HA(A)

$107
Digital Portable Hardness Tester - TH270A - Accuplus

Digital Portable Hardness Tester - TH270A - Accuplus

3.2
$2,239
GOYOJO Portable Leeb Hardness Tester -,Hardness Testing Equipment Kit with Test Block, Copper, 7-in-1 HL, HV, HB, HRC, HRB, HRA, HS

GOYOJO Portable Leeb Hardness Tester -,Hardness Testing Equipment Kit with Test Block, Copper, 7-in-1 HL, HV, HB, HRC, HRB, HRA, HS

$672
TTC 6 Piece Hardness Tester File Set

TTC 6 Piece Hardness Tester File Set

4.5
$699
KISS KITTY Water Testing Kit, 100pcs 7 in 1 Water Tester for Drinking Water, Home And Well Water Testing Strips, Water Hardness Test Kit for Spa,Bath,Pools, PH, Free Chlorine(Bromine),Cyanuric Acid

KISS KITTY Water Testing Kit, 100pcs 7 in 1 Water Tester for Drinking Water, Home And Well Water Testing Strips, Water Hardness Test Kit for Spa,Bath,Pools, PH, Free Chlorine(Bromine),Cyanuric Acid

4.0
$147
BEXCO Tablet Hardness Tester

BEXCO Tablet Hardness Tester

3.6
$347
Rubber Hardness Tester,Shore Type A Rubber Tire Durometer Hardness Tester Meter 0-100 HA (A Type)

Rubber Hardness Tester,Shore Type A Rubber Tire Durometer Hardness Tester Meter 0-100 HA (A Type)

$100
QISNG Swimming Pool Testing Kit | Swimming Pool Water Test Kits - 6 in 1 Chlorine Ph Value Total Alkalinity Water Hardness Test Kit for Pool Spa Hot Tub Water, 50 Test Strips

QISNG Swimming Pool Testing Kit | Swimming Pool Water Test Kits - 6 in 1 Chlorine Ph Value Total Alkalinity Water Hardness Test Kit for Pool Spa Hot Tub Water, 50 Test Strips

$128
Electronic Diamond Tester Pen, Diamond Selector, Diamond Tester Selector, Stones Hardness Test Tool for Diamond Sapphire Ruby Crystal Agate for Novice and Accuracy Professional

Electronic Diamond Tester Pen, Diamond Selector, Diamond Tester Selector, Stones Hardness Test Tool for Diamond Sapphire Ruby Crystal Agate for Novice and Accuracy Professional

$135
Obery Portable 0-100HA Shore A Hardness Tester Meter Digital Durometer Scale for Rubber Silica Gel Leather with Large LCD Display

Obery Portable 0-100HA Shore A Hardness Tester Meter Digital Durometer Scale for Rubber Silica Gel Leather with Large LCD Display

$244
API 5in1 Test 4 Strips for Freshwater & Saltwater Aquarium 4 Strip

API 5in1 Test 4 Strips for Freshwater & Saltwater Aquarium 4 Strip

4.4
$104
KEWAYO TDS Meter Digital Water Tester, 3 in 1 TDS/EC/Temperature Water Accuracy Testing Pen Tool, 0-9999 ppm TDS Measurement Range, for Drinking Water, Swinging Pool, Aquarium

KEWAYO TDS Meter Digital Water Tester, 3 in 1 TDS/EC/Temperature Water Accuracy Testing Pen Tool, 0-9999 ppm TDS Measurement Range, for Drinking Water, Swinging Pool, Aquarium

4.3
$88
Angju PH Meter & TDS Meter Combo, Upgraded Backlight PH TDS EC & Temperature 4-in-1 Water Quality Tester, High Accuracy Digital Water Tester for Household Drinking, Pool and Aquarium

Angju PH Meter & TDS Meter Combo, Upgraded Backlight PH TDS EC & Temperature 4-in-1 Water Quality Tester, High Accuracy Digital Water Tester for Household Drinking, Pool and Aquarium

3.9
$116
16-in-1 Drinking Water Test Strips Water Tester Strips 25 Pieces for Tap Water Quality Analysis Total Hardness Lead, Copper, Nitrate

16-in-1 Drinking Water Test Strips Water Tester Strips 25 Pieces for Tap Water Quality Analysis Total Hardness Lead, Copper, Nitrate

$134
Industrial Mineral Identification Kit- 5-9 Scratch Hardness Tester, Mohs Hardness Test Kit, with Storage Box(Easy to Carry), for Testing Mineral Jewellery Jade Glass,A

Industrial Mineral Identification Kit- 5-9 Scratch Hardness Tester, Mohs Hardness Test Kit, with Storage Box(Easy to Carry), for Testing Mineral Jewellery Jade Glass,A

$1,499
Eujgoov 934-1 Hardness Tester Barcol Impressor Portable Indentation Hardness Gauge for Aluminum Alloy Copper Plastic(0‑100HBa)

Eujgoov 934-1 Hardness Tester Barcol Impressor Portable Indentation Hardness Gauge for Aluminum Alloy Copper Plastic(0‑100HBa)

$3,679
Digital Rubber Hardness Tester,A Durometer Shore Rubber Hardness Tester with LCD Display Meter for Rubber, Silica Gel, Tire and Plastic etc Soft Materials

Digital Rubber Hardness Tester,A Durometer Shore Rubber Hardness Tester with LCD Display Meter for Rubber, Silica Gel, Tire and Plastic etc Soft Materials

$223
Hardness Testing Tool ABS High Metal Hardness Tester for Heavy Work Pieces

Hardness Testing Tool ABS High Metal Hardness Tester for Heavy Work Pieces

$2,409
GearwellPortable Leeb Hardness Tester Kit with Test Block,Hardness Testing Equipment,Rockwell Metal Hardness Meter Durometer for Steel,Aluminum Alloy

GearwellPortable Leeb Hardness Tester Kit with Test Block,Hardness Testing Equipment,Rockwell Metal Hardness Meter Durometer for Steel,Aluminum Alloy

$3,009
0~100HA, Rubber Tire Shore A Digital Hardness Meter Durometer Hardness tester

0~100HA, Rubber Tire Shore A Digital Hardness Meter Durometer Hardness tester

4.4
$130
INKBIRDPLUS Pool Test Strips Water Quality Testers 7-in-1 Premium Fiber Water Testing Kit for Pools and Spas Accurate and Easy-to-Use Pool Water Test Strip for Swimming Pool Hot Tub and Bath 100pcs

INKBIRDPLUS Pool Test Strips Water Quality Testers 7-in-1 Premium Fiber Water Testing Kit for Pools and Spas Accurate and Easy-to-Use Pool Water Test Strip for Swimming Pool Hot Tub and Bath 100pcs

$171
Gearwell Digital 100HD A Durometer Shore Rubber Hardness Tester LCD Display Meter Hardness Durometer Meter Tester Rubber Tire Hardness Meter Durometer Hardness

Gearwell Digital 100HD A Durometer Shore Rubber Hardness Tester LCD Display Meter Hardness Durometer Meter Tester Rubber Tire Hardness Meter Durometer Hardness

$276
JNW Direct Pool and Spa Test Strips - Quick and Accurate Pool Test Strips - 7-1 Pool Test Kit - 100 Bromine, pH, Hardness and Chlorine Test Strips - with Ebook and App - 100 Water Test Strips

JNW Direct Pool and Spa Test Strips - Quick and Accurate Pool Test Strips - 7-1 Pool Test Kit - 100 Bromine, pH, Hardness and Chlorine Test Strips - with Ebook and App - 100 Water Test Strips

4.4
$247
Pen Type Hardness Tester Handheld Durometer Hardness Meter with D Type Impact Device for Metal Steel

Pen Type Hardness Tester Handheld Durometer Hardness Meter with D Type Impact Device for Metal Steel

$2,389
VOYADEMohs Hardness Test Kit, Mohs Hardness Picks, Scratch Tester with Storage Box, 1-10 Level Measurement Range, Glass Tile Hardness Concrete Coating Scratch Test,A

VOYADEMohs Hardness Test Kit, Mohs Hardness Picks, Scratch Tester with Storage Box, 1-10 Level Measurement Range, Glass Tile Hardness Concrete Coating Scratch Test,A

$1,120
OUKA Rubber Hardness Tester, Digital 100HD A Durometer Shore Rubber Hardness Tester LCD Display Meter Tool Measure Hardness Tester

OUKA Rubber Hardness Tester, Digital 100HD A Durometer Shore Rubber Hardness Tester LCD Display Meter Tool Measure Hardness Tester

$475
Hardness Tester, Barcol Hardness Tester, Digital Hardness Gauge, Portable Hardness Gauge, 934-1S, Hardness Testing Tool for Aluminum Alloy and Copper

Hardness Tester, Barcol Hardness Tester, Digital Hardness Gauge, Portable Hardness Gauge, 934-1S, Hardness Testing Tool for Aluminum Alloy and Copper

$2,264
Portable 0-100HA Shore A Hardness Tester Meter Digital Durometer Scale for Rubber Silica Gel with Large LCD Display DOOMUN

Portable 0-100HA Shore A Hardness Tester Meter Digital Durometer Scale for Rubber Silica Gel with Large LCD Display DOOMUN

$69
Rubber Hardness Tester, 0-100HD Digital Durometer Hardness Tester with Large LCD Display for Rubber, Plastics, Flooring, Tire, Bowling Ball

Rubber Hardness Tester, 0-100HD Digital Durometer Hardness Tester with Large LCD Display for Rubber, Plastics, Flooring, Tire, Bowling Ball

$108
BOSIKE 7 in 1 Water Hot Tub, Swimming Pool & Spa Test Strips Kit - 125 Water Tester Strips for Total Hardness, Free Chlorine, Bromine, Cyanuric Acid, Total Chlorine, Alkalinity & pH

BOSIKE 7 in 1 Water Hot Tub, Swimming Pool & Spa Test Strips Kit - 125 Water Tester Strips for Total Hardness, Free Chlorine, Bromine, Cyanuric Acid, Total Chlorine, Alkalinity & pH

4.4
$217
JZKPortable Electronic Diamond Tester Pen for Diamond, Sapphire, Ruby, Crystal, Agate, Jade, gems Multi Gemstone Precious Stones Hardness Test Tool, Diamond Selector II V2

JZKPortable Electronic Diamond Tester Pen for Diamond, Sapphire, Ruby, Crystal, Agate, Jade, gems Multi Gemstone Precious Stones Hardness Test Tool, Diamond Selector II V2

4.0
$148
Pawfly Water Hardness Test Strips 100 Pieces Hard Water Test Kit for Drinking Water Tap Water Well Pool Spa Water Softener Accurate Softener Water Quality Testing Kit for Calcium & Magnesium

Pawfly Water Hardness Test Strips 100 Pieces Hard Water Test Kit for Drinking Water Tap Water Well Pool Spa Water Softener Accurate Softener Water Quality Testing Kit for Calcium & Magnesium

3.8
$88
SimplexHealth Total Hardness Water Test Strips (20 Strips Pouch)

SimplexHealth Total Hardness Water Test Strips (20 Strips Pouch)

4.2
$82
AssuTest 17 in 1 Drinking Water Test Kit - Comprehensive 16 in 1 Water Testing Kits for Drinking Water, PH Test Strips, Lead, Iron and Hardness - 125 Strips for Home Tap and Well Water

AssuTest 17 in 1 Drinking Water Test Kit - Comprehensive 16 in 1 Water Testing Kits for Drinking Water, PH Test Strips, Lead, Iron and Hardness - 125 Strips for Home Tap and Well Water

4.0
$192
AQUALUNAWater Hardness Test Kit - Fast and Accurate Testing for Dishwasher, Drinking Water, Pool and Aquarium - 100 Strips Hard Water Test Kit at 0-425ppm - Maintain Water Quality

AQUALUNAWater Hardness Test Kit - Fast and Accurate Testing for Dishwasher, Drinking Water, Pool and Aquarium - 100 Strips Hard Water Test Kit at 0-425ppm - Maintain Water Quality

4.3
$240
TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-9990 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy

TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-9990 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy

4.3
$122
Landical1 Set Earth Science Moh's Hardness Kit Mohs Hardness Test Kit Mineral Identification Kit Include 9 Rock Mineral Specimens and 2 Unglazed Porcelain Streak Plates for Exploring Identifying

Landical1 Set Earth Science Moh's Hardness Kit Mohs Hardness Test Kit Mineral Identification Kit Include 9 Rock Mineral Specimens and 2 Unglazed Porcelain Streak Plates for Exploring Identifying

$76
Hofun TDS Meter Digital Water Quality Tester, TDS, Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Hardness Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

Hofun TDS Meter Digital Water Quality Tester, TDS, Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Hardness Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

4.3
$243
EASYTEST 6 in 1 Aquarium Test Strips, 150 Strip Pack Aquarium Water Test Kit for Freshwater, Fish Tank, Fish Pond, Accurate Testing Total Hardness, Carbonate Nitrate, Nitrite, Cl2, pH

EASYTEST 6 in 1 Aquarium Test Strips, 150 Strip Pack Aquarium Water Test Kit for Freshwater, Fish Tank, Fish Pond, Accurate Testing Total Hardness, Carbonate Nitrate, Nitrite, Cl2, pH

4.5
$166
Water Testing kits for Drinking Water 50pcs 16 in1 Drinking Water Test Strips Kit PH Manganese Nitrate Iron Nitrite Copper Mercury and more Ferrous Hardness Lead More Home Water Test Kit

Water Testing kits for Drinking Water 50pcs 16 in1 Drinking Water Test Strips Kit PH Manganese Nitrate Iron Nitrite Copper Mercury and more Ferrous Hardness Lead More Home Water Test Kit

4.3
$132
XUBX Diamond Pen, Diamond Thermal Conductivity, Diamond Identifier Test Hardness Diamond Hardness Tools Portable Electronic Diamond Tester 9v, Jewellery Diamond Selector, Use Of Batteries.

XUBX Diamond Pen, Diamond Thermal Conductivity, Diamond Identifier Test Hardness Diamond Hardness Tools Portable Electronic Diamond Tester 9v, Jewellery Diamond Selector, Use Of Batteries.

4.4
$165
AyinLab TDS Water Hardness Tester Upgraded 0-9999ppm, Accurate 2%FS TDS Meter Digital Water Tester, Easy TDS Water Quality Tester for Drinking Water, RO/DI System, Pool&Spa, Hydroponics, Tap, Aquarium

AyinLab TDS Water Hardness Tester Upgraded 0-9999ppm, Accurate 2%FS TDS Meter Digital Water Tester, Easy TDS Water Quality Tester for Drinking Water, RO/DI System, Pool&Spa, Hydroponics, Tap, Aquarium

$64
Total Hardness Test Strips (5 Strips in Foil)

Total Hardness Test Strips (5 Strips in Foil)

4.3
$16
TTC HTF-6S 6 Piece Hardness Tester File Set

TTC HTF-6S 6 Piece Hardness Tester File Set

4.5
$854
50 PCS 16-in-1 Drinking Water Test Strips, Drinking Water Test Kit, Home Water Quality Test Lead Hardness Test Kit PH Manganese Nitrate Iron Nitrite Copper Chloride Mercury and more

50 PCS 16-in-1 Drinking Water Test Strips, Drinking Water Test Kit, Home Water Quality Test Lead Hardness Test Kit PH Manganese Nitrate Iron Nitrite Copper Chloride Mercury and more

$31
20 in 1 Water Testing Kits for Drinking Water, Quick & Accurate Water Test Kit for Home Tap, Well and Pool, 145pcs Water Test Strips to Detect Hardness, PH, Lead, Chlorine, Iron and More

20 in 1 Water Testing Kits for Drinking Water, Quick & Accurate Water Test Kit for Home Tap, Well and Pool, 145pcs Water Test Strips to Detect Hardness, PH, Lead, Chlorine, Iron and More

5.0
$237
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