HM Digital TDS-3 Handheld TDS Meter With Thermometer – Fresh Water Systems

The HM Digital TDS-3 handheld water quality tester enables you to determine just how good or bad your water really is! These testers accurately measure the TDS level in your water. Ideal for testing reverse osmosis membrane performance and determining the need for replacement. Ideal for all water purification applicati

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TDS-3 SMART –

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HM Digital TDS-3 Handheld TDS Water Meter With Carrying Case

The Digital TDS-4TM Water Meter is ideal for testing applications such as hydroponics and gardening, pools and spas, aquariums and reef tanks, water

HM Digital TDS-4TM Meter with Digital Thermometer

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TDS-meter, PH-Meter

TDS Meter