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Test Kits & Thermometers


Displaying 41 to 60 (of 73 products)

BALDR Pool Thermometer Floating Easy Read, IPX8 Waterproof, Solar Powered Digital Pool Thermometer with LCD Screen,Suitable for Swimming Pool/Hot Tub/Hot Spring/Aquarium (Blue)

$23.99

$ 11 .99 $11.99

4.3
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XY-WQ Large Pool Thermometer, Jumbo Easy Read for Water Temperature, Sinking for Accurate Readings - Swimming Pools, Spas, Hot Tubs, Ponds (Shark)

$9.99

$ 4 .99 $4.99

4.5
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API POND MASTER TEST KIT Pond Water Test Kit 500-Test

$34.98

$ 14 .99 $14.99

4.4
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Floating Pool Thermometer, Large Display with String Easy to Read, Shatter Resistant, for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs & Aquariums (Frog)

$5.69

$ 1 .99 $1.99

4.7
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Floating Pool Thermometer, Large Display with String Easy to Read, Shatter Resistant, for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs & Aquariums (Octopus)

$5.69

$ 2 .99 $2.99

4.3
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Digital Wireless Floating Pool Thermometer,Water Temperature Thermometer,Indoor Monitor Outdoor Pool Thermometer Set for Swimming Pool Whirlpool Spas Hot Tub Bath Pond Aquarium,Easy Read LED Backlight

$20.59

$ 8 .99 $8.99

4.4
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KingSom Floating Pool Thermometer,LED Colored Solar Pool Thermometer Floating, Easy Read Swimming Pools Thermometers at Night,Celestial Lights Pools Temperature Thermometers for Water Temperature

$15.89

$ 7 .99 $7.99

4.3
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XY-WQ Floating Pool Thermometer, Large Size Easy Read for Water Temperature with String for Outdoor and Indoor Swimming Pools and Spas (Puffer)

$5.99

$ 2 .99 $2.99

4.3
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Pentair R141036 127 Tube Thermometer with ABS Case and 3-Feet Cord

$15.90

$ 7 .99 $7.99

4.7
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Quick Quality Electrolysis Tester, Home Use Electrolyzed Water Purity Measuring Tool with TDS Filter and Iron Bar Electrolyte Machine for Household Testing

$6.49

$ 2 .99 $2.99

4.4
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eSeasonGear SALT-3000 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond

$15.99

$ 7 .99 $7.99

4.6
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U.S. Pool Supply Floating Buoy Pool Thermometer with Jumbo Easy-to-Read Temperature Display

$7.99

$ 2 .99 $2.99

5.0
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KingSom Digital Pool Thermometer,Solar Pool Thermometer Floating Easy Read with Color Changing Swan Light,Floating Pool Thermometer with Large LCD Screen and String,Pond Water Temperature Thermometer

$25.98

$ 11 .99 $11.99

5.0
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Pool Thermometer Large Floating Water Temperature Thermometers with String, Water Thermometer Aquarium,for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs, Aquariums & Fish Ponds

$10.99

$ 4 .99 $4.99

4.6
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Pool Salt Tester Floating Pool Thermometer & Salinity Meter for Saltwater Pool Digital Solar Powered Salinity and Temperature Tester for Swimming Pool, Hot Tub, Spa, Hot Spring, Ponds

$29.99

$ 12 .99 $12.99

4.6
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Pool Thermometer Floating Easy Read, Cute Frog Water Temperature Thermometer for Swimming Pools, Cold Plunge, Spa, Pond, Ice Bath, Hot Tub, Outdoor & Indoor Above Ground Pool Accessories

$8.99

$ 3 .99 $3.99

4.3
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XY-WQ 2 Pack Floating Pool Thermometer, Large Size Easy Read for Water Temperature with String - Swimming Pools, Spas, Hot Tubs, Ponds (Starfish & Dolphin)

$9.98

$ 3 .99 $3.99

4.6
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XY-WQ Floating Pool Thermometer, Large Size Easy Read for Water Temperature with String - Swimming Pools, Spas, Hot Tubs, Ponds (Octopus)

$5.99

$ 2 .99 $2.99

4.9
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HYDROTOOLS BY SWIMLINE Jumbo Easy Read Thermometer Large Floating Easy Read For Water Temperature Shatter Resistant With String For Outdoor And Indoor Swimming Pools Spas Ponds Bathtubs

$4.88

$ 1 .99 $1.99

4.5
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Nuovoware Digital Floating Pool Thermometer, Wireless Pool Thermometer with Easy Read Screen Display, Remote Water Thermometer IPX8 Waterproof for Swimming Pool, Fish Tank, Hot Tub

$24.99

$ 10 .99 $10.99

5.0
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Displaying 41 to 60 (of 73 products)