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BEST PRICES & MOST OPTIONS ON ROLLING BENCHES NATIONWIDE!
BEST PRICES & MOST OPTIONS ON ROLLING BENCHES NATIONWIDE!

EC / pH / PPM / TDS / Temp Meters & Solutions

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$19.95 - $19.95
$19.95
$19.95 - $19.95
$19.95

HM Digital Pen style TDS/Temp meter with case

TDS-3: Handheld TDS Meter with Carrying Case With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any applicat...

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$19.95 - $19.95
$19.95
$19.95 - $19.95
$19.95
$54.95 - $54.95
$54.95
$54.95 - $54.95
$54.95

HM Digital Replacement pH sensor for HM-500/ HM-200

$54.95 - $54.95
$54.95
$54.95 - $54.95
$54.95
$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95

HM Digital Replacement pH sensor for PH-200/COM-360

PH-200 Replacement Probe (Replacement pH/Temp Sensor for PH-200) Measures pH and Temperature

$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95

HM Digital Replacement TDS/EC sensor for HM-500

HM-500 TDS/EC Replacement Probe Specifications (Replacement EC/TDS sensor for HM-500) Measures Conductivity and TDS Measures Temperature Probe: He...

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$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95
$62.95 - $62.95
$62.95
$62.95 - $62.95
$62.95

HM Digital Replacement Probe COM-300

COM-300 Replacement Probe Specifications (Replacement pH/EC/TDS/TEMP Sensor for COM-300) Measures pH, Conductivity(EC), TDS, and Temp Measures Tem...

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$62.95 - $62.95
$62.95
$62.95 - $62.95
$62.95
$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95

HM Digital Replacement TDS/EC sensor for HM-200

HM-200 TDS/EC Replacement Probe Specifications (Replacement EC/TDS sensor for HM-200) Measures Conductivity and TDS Measures Temperature Probe: He...

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$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95
$34.95 - $34.95
$34.95
$34.95 - $34.95
$34.95

HM Digital Replacement TDS/EC sensor for COM-100

COM-100 Replacement Probe Specifications (Replacement EC/TDS/TEMP Sensor for COM-300) Measures Conductivity(EC), TDS, and Temp Measures Temperat...

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$34.95 - $34.95
$34.95
$34.95 - $34.95
$34.95
$7.95 - $7.95
$7.95
$7.95 - $7.95
$7.95

HM Digital pH Electrode storage solution - 60 cc

PH-STOR: pH Electrode Storage Solution PH storage solution for HM Digital’s PH-200 / PH-80 as well as other brands of pH meters. Always make sure y...

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$7.95 - $7.95
$7.95
$7.95 - $7.95
$7.95
$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95

HM Digital pH 7.0 buffer solution - 20 packets of 20 ml

20 Pack pH 4 Buffer Solution (20) packets of 20 ml pH 4 buffer

$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95

HM Digital pH 4.0 buffer solution - 20 packets of 20 ml

20 Pack pH 4 Buffer Solution (20) packets of 20 ml pH 4 buffer

$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95
$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95

HM Digital Pro Series Pen style pH/Temp meter

PH-200: Waterproof Professional Series pH/Temp Meter The PH-200 is a professional grade pH/Temp meter ideal for all pH testing water. With its adva...

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$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95
$179.95 - $179.95
$179.95
$179.95 - $179.95
$179.95

HM Digital COM-100,PH-200, Protective Case & Solutions

$179.95 - $179.95
$179.95
$179.95 - $179.95
$179.95
$359.95 - $359.95
$359.95
$359.95 - $359.95
$359.95

HM Digital Hydromaster 500 - Continuous pH/TDS/EC/Temp meter

HM-500 HydroMaster: EC/TDS, pH, Temp Continuous Monitor The HM-500 is the most versatile continuous monitor indicating EC/TDS, pH, and Temp providi...

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$359.95 - $359.95
$359.95
$359.95 - $359.95
$359.95
$274.95 - $274.95
$274.95
$274.95 - $274.95
$274.95

HM Digital Hydromaster Portable - pH/TDS/EC/Temp

HM-200: Portable pH/EC/TDS/Temp Monitor The HM-200 is a versatile portable pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics,...

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$274.95 - $274.95
$274.95
$274.95 - $274.95
$274.95
$289.95 - $289.95
$289.95
$289.95 - $289.95
$289.95

HM Digital Hydromaster 100 - Continuous pH/TDS/EC/Temp meter

HM-100: Continuous pH/EC/TDS/Temp Monitor The HM-100 is a pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water purificati...

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$289.95 - $289.95
$289.95
$289.95 - $289.95
$289.95
$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95

HM Digital TDS 1000 ppm calibration solution - 20 packets of 20 ml

20 Pack Sodium Chloride(NaCl) EC/TDS Calibration Solution (20) packets of 20 ml 1000ppm / 2mS / 2000 µS solution

$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95
$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

HM Digital Pen style TDS/EC/Temp meter

COM-80: EC/TDS HydroTester Series The COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versati...

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$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95
$174.95 - $174.95
$174.95
$174.95 - $174.95
$174.95

HM Digital Pro Series Dual Probe pH/TDS/EC/Temp meter

$174.95 - $174.95
$174.95
$174.95 - $174.95
$174.95
$189.95 - $189.95
$189.95
$189.95 - $189.95
$189.95

HM Digital Waterproof Professional Series pH/EC/TDS/Temp Meter

COM-300L: Waterproof Professional Series pH/EC/TDS/Temp Meter The COM-300L is a professional grade level pH/EC/TDS/Temp meter ideal for all water q...

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$189.95 - $189.95
$189.95
$189.95 - $189.95
$189.95
$159.95 - $159.95
$159.95
$159.95 - $159.95
$159.95

HM Digital Pro Series Pen style pH/TDS/EC/Temp meter

COM-300: Waterproof Professional Series pH/EC/TDS/Temp Meter The COM-300 is a professional grade level pH/EC/TDS/Temp meter ideal for all water qua...

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$159.95 - $159.95
$159.95
$159.95 - $159.95
$159.95
$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95

HM Digital Professional Series EC/TDS/Temp Meter (Long)

$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95
$74.95 - $74.95
$74.95
$74.95 - $74.95
$74.95

HM Digital Pro Series Pen style TDS/EC/Temp meter

COM-100: Waterproof Professional Series EC/TDS Meter The COM-100 is a professional grade level EC/TDS/Temp meter ideal for all water quality testin...

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$74.95 - $74.95
$74.95
$74.95 - $74.95
$74.95
$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95

HM Digital 20 pack mix of 1000 ppm TDS, pH 4, pH7, pH storage solutions

20 Pack Assorted Solutions (5) 20 ml packets pH 4 buffer (5) 20 ml packets pH 7 buffer (5) 20 ml packets pH storage solution (5) 20 ml packets EC/...

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$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95
$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

Aqua Master Tools Calibration Solution pH 4.01 20ml Sachet

$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
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