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Best Seller | Aquarium Salinity meter for SG/PPT/PSU/Temp HM Digital SAL-1700 This Newly released SAL-1700 is ideal for measuring the salinity of natural or artificial seawater aquariums and many more. more | FREE shipping go to store |
HM Digital 1000 PPM CP-1000 20ml (1-pack) Application: Aquaculture Aquarium Drinking Water Food & Beverage Hydroponics Industrial Pool/Spa Water Treatment more | FREE shipping go to store |
HM Digital Replacement pH/Temp sensor for PH-200/COM-360 (New model) SP-P2 PH-200 Replacement Probe (Replacement pH/Temp Sensor for PH-200) Measures pH and Temperature Application: Aquaculture Aquarium Drinking Water Food & Beverage Hydroponics Industrial Pool/Spa Water Treatment more | FREE shipping go to store |
HM Digital HM-500 TDS/EC Replacement Probe SP-C5 HM-500 TDS/EC Replacement Probe (Replacement EC/TDS sensor for HM-500) Measures Conductivity and TDS Measures Temperature Application: Aquaculture Aquarium Drinking Water Food & Beverage Hydroponics Pool/Spa Water Treatment more | FREE shipping go to store |
HM Digital DM-3: Commercial In-Line Dual TDS Monitor The DM-3 is a commercial-grade TDS monitor measuring TDS feed (input) water vs. product (output) water of a water filtration system at any time. DM-3 has a large backlit screen that you will be able to see the readings in dark environments. With its... more | FREE shipping go to store |
HM Digital (PM-2) External In-Line TDS Purity Monitor 1-4 Quick Connect This is a single inline TDS/purity meter which monitors any water purification system. It has an audible alert when the system requires service or maintenance. Features: Single line internal TDS monitor - great for most water purification systems which... more | $89.96 $72.99 FREE shipping go to store |
HM Digital AP-2 AquaPro Water Quality Tester TDS Handheld meter with carrying case and built-in digital thermometer. An EC meter aka EC pen or conductivity tester is an inexpensive and convenient digital tool to instantly check your overall water quality. EC = Electrical Conductivity which the... more | FREE shipping go to store |
HM DM-1 In-Line Dual TDS Monitor The HM DM-1 In-Line Dual TDS Monitor allows you to measure the tap water going into your filteration system versus the filtered water coming out of your system at any time. Stop guessing the performance of your filtration system with the DM1! more | See More Info |
HM Digital TM-1 Digital Thermometer The HM Digital TM-1 Digital Thermometer is an industrial grade digital thermometer for use in a variety of applications. This digital thermometer features a durable 2.5 stainless steel probe with a 20 cable. more | See More Info |
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