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4 in 1 tds ec temp testing meter with ph sensor heavy duty portable water quality monitor no power required for drinking water swimming pool aquarium ro di systems well hydroponics easy to read lcd display tds calibration ideal for home laboratory use tds ec temperature measurement compact design for accurate results water testers for water quality tds water quality tester pen

4-in-1 TDS/EC/Temp Digital Water Testing Meter with pH Sensor - Heavy-Duty Portable Water Quality Monitor, No Power Required, for Drinking Water, Swimming Pool, Aquarium, RO/DI Systems, Well, Hydroponics - Easy-to-Read LCD Display & TDS Calibration - Ideal for Home & Laboratory Use - Includes TDS, EC & Temperature Measurement, Compact & User-Friendly Design for Accurate Results, Water Testers for Water Quality, Tds Water Quality Tester Pen,Open in new tab.

$1.99
Original price $27.78
-92%
2 water tester ph meter 0 0 14 0 ph range 0 9990 ppm tds measurement for aquarium filter water quality yellow blue with lcd display replaceable probes tester sleek digital meter clear lcd display

2pcs Digital Water Tester & PH Meter, 0.0-14.0 PH Range & 0-9990 ppm TDS Measurement for Aquarium Filter Water Quality, Yellow & Blue with LCD Display, Includes Replaceable Probes, Ph Level Tester | Sleek Digital Meter | Clear LCD DisplayOpen in new tab.

$9.56
Original price $45.99
-79%
ph tester 0 01 digital ph meter ph tds ec salt temperature tester ppm meter water tester used for drinking water hydroponics plants aquariums and swimming pools

TDS Meter PH Tester, 0.01 High-precision Digital PH Meter, PH/ TDS/ EC/ Salt/ Temperature Tester, PPM Meter Water Tester, Used For Drinking Water, Hydroponics, Plants, Aquariums, And Swimming PoolsOpen in new tab.

$12.29
Original price $56.50
-78%
2 in 1 and ph meter swimming pool tester cl2 level meter quality monitoring device handheld portable for pool water quality

2-in-1 Chlorine and PH Meter Swimming Pool Tester, CL2 Level Meter Water Spa Quality Analysis Monitoring Device, Handheld Portable, for Pool Water Quality TestinOpen in new tab.

$9.36
Original price $75.95
-87%
3 in 1 soil detector humidity meter ph value ph value flowers and plants for household use

3-in-1 high-precision soil detector, humidity meter, pH value, pH value, flowers and plants for household useOpen in new tab.

$5.09
Original price $35.76
-85%
2 in 1 portable ph and water tester with digital lcd display 0 1 ph cl measurements dual sensors for aquarium pool spa hot tub compact for home or durable construction screen sturdy design multifunctional tool spa enthusiasts

2-in-1 Portable pH and Chlorine Water Tester with Digital LCD Display - High-Precision 0.1 pH/CL² measurements, Dual Sensors for Aquarium, Pool, Spa, Hot Tub - Compact & Easy-to-Use for Home or - Durable Construction, Spa Water Analysis, Easyread Screen, Sturdy Design, Multifunctional Tool, Spa EnthusiastsOpen in new tab.

$9.48
Original price $68.35
-86%
2 in 1 portable ph and tester for aquariums 0 1 measurement durable plastic ideal for swimming pool water testing fish tank maintenance durable plastic

2-in-1 Portable pH and Chlorine Tester for Aquariums - High-Precision 0.1 Measurement, Durable Plastic, Ideal for Swimming Pool Water Testing, Fish Tank Maintenance | Digital Display | Durable PlasticOpen in new tab.

$9.89
Original price $68.35
-85%
4 in 1 soil moisture meter digital ph meter soil moisture plant temperature sunlight backlight lcd display soil test meter for garden lawn plant care farm and indoor outdoor plants

4-in-1 Soil Moisture Meter Digital PH Meter/Soil Moisture/Plant Temperature/Sunlight Intensity, Backlight LCD Display, Soil Test Meter For Garden, Lawn, Plant Care, Farm And Indoor Outdoor PlantsOpen in new tab.

$8.21
Original price $28.34
-71%
2 water tester 0 0 14 0 ph meter 0 9990ppm for aquarium filter water purity ppm

2pcs Digital Water Tester, 0.0-14.0 PH Meter & 0-9990ppm TDS Meter for Aquarium Filter Water Purity PPMOpen in new tab.

$9.86
Original price $45.99
-78%
water quality tester ph tester digital digital meter and ph tester for aquarium and pool saltwater water 5 in 1 ph temp ec and aquarium swimming pool hot tub high

Water Quality Tester, Ph Tester Digital, 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 AccuracyOpen in new tab.

$11.24
Original price $56.98
-80%
6 in 1 soil tester portable digital ph and moisture meter thermometer light humidity monitor tester battery powered plastic material no battery pack

6-in-1 Soil Tester, Portable Digital PH And Moisture Meter, Thermometer, Light Sensor, Air Humidity Monitor, Fertility Tester, Battery-powered, Plastic Material, No Battery PackOpen in new tab.

$12.35
Original price $53.70
-77%
2pcs 3 in 1 ec temperature oxygen portable water tester reliable digital with lcd display 10 day 0 12 ph range for drinking water testing drinking water userfriendly design clear lcd display

2pcs TDS Meter 3-in-1 (EC Temperature & Dissolved Oxygen) Portable Water Tester - Reliable Digital TDS Meter with LCD Display, 10-Day Battery Life, 0-12 pH Range for Drinking Water Testing, Drinking Water Analysis, Userfriendly Design, Clear LCD DisplayOpen in new tab.

$6.01
Original price $21.99
-72%
1pc 7 in 1 ph tds ec orp s g thermometer water quality monitoring instrument suitable for drinking water and aquarium ph meters

1pc 7-in-1 pH TDS EC ORP salinity S. G thermometer water quality monitoring instrument, suitable for drinking water and aquarium pH metersOpen in new tab.

$13.68
Original price $86.22
-84%
1pc 3 in 1 soil tester ph temperature humidity analyzer for potted plants battery powered no

1pc CZDANG 3-in-1 Soil Tester, Digital Display pH/Temperature/Humidity Analyzer for Orchards & Potted Plants, Battery Powered (No Batteries Included)Open in new tab.

$11.23
Original price $61.99
-81%
3 in 1 soil detector humidity meter ph value ph value flowers and plants for household use

3-in-1 high-precision soil detector, humidity meter, pH value, pH value, flowers and plants for household useOpen in new tab.

$5.11
Original price $37.99
-86%
2 in 1 portable aquarium ph tester 0 1 ideal for fish tank water quality monitoring portable swimming pool ph meter aquarium maintenance simple operation durable plastic aquarium accessories

2-in-1 Portable Aquarium PH & Chlorine Tester, High Precision 0.1 - Ideal for Fish Tank Water Quality Monitoring, Easy-to-Use, Portable Swimming Pool PH Meter, Aquarium Maintenance|Simple Operation|Durable Plastic, Aquarium AccessoriesOpen in new tab.

$9.36
Original price $60.45
-84%
ph meter and quality tester 5 in 1 tester ph temperature ec and water quality ph meter with lcd backlight drinking water wine swimming pool hot tub quality testing kit

PH meter and TDS meter digital water quality tester 5-in-1 salinity tester PH temperature EC and TDS meter, water quality PH meter with LCD backlight, drinking water, wine, swimming pool, hot tub spa water quality testing kit.Open in new tab.

$12.79
Original price $54.18
-76%
6 in 1 soil meter with tester moisture ph temperature light humidity full data readings sensitive probes foldable design ideal for indoor outdoor gardening plants and soil quality monitoring outdoor soil monitor meter durable plastic body soil moisture meter

6-in-1 Soil Meter with Digital Display - High Precision Tester for Fertility, Moisture, PH, Temperature, Light & Humidity - Full Data Readings, Sensitive Probes, Foldable Design - Ideal for Indoor & Outdoor Gardening, Plants, and Soil Quality Monitoring, Outdoor Soil Monitor | Digital Display Meter | Durable Plastic Body, Soil Moisture MeterOpen in new tab.

$13.20
Original price $66.38
-80%
2 water tester 0 0 14 0 ph meter 0 9990ppm for aquarium filter water purity ppm

2pcs Digital Water Tester, 0.0-14.0 PH Meter & 0-9990ppm TDS Meter for Aquarium Filter Water Purity PPMOpen in new tab.

$9.86
Original price $45.99
-78%
portable ph tester with probe clip on back cover operation battery powered battery not included for home water quality

Portable pH Tester with High-Sensitivity Probe & Clip-On Back Cover - Ultra-Compact, Grab-and-Go Operation, Battery-Powered (Battery Not Included) for Home Water QualityOpen in new tab.

$7.11
Original price $45.99
-84%
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