Quick view HM Digital HM Digital Com-300 pH/TDS/EC/Temperature Digital Water Tester MSRP: $292.58 $182.01 HM Digital 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 quality testing, hydroponics, water... MSRP: $292.58 $182.01 Add to Cart The item has been added Add to Wish list Compare
Quick view HM Digital COM-100 Waterproof EC / TDS / Temperature Combo Meter MSRP: $118.81 $98.78 Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology... MSRP: $118.81 $98.78 Add to Cart The item has been added Add to Wish list Compare
Quick view HM Digital HM Digital COM-80 EC/TDS HydroTester MSRP: $85.88 $73.08 Brand New! The COM-80 is a reliable, economically priced, EC/TDS meter that is perfect for testing applications like hydroponics, gardening, pools, spas, aquariums, reef tanks, water ionizers,... MSRP: $85.88 $73.08 Add to Cart The item has been added Add to Wish list Compare
Quick view HM Digital HM Digital AP-1 AquaPro Water Quality Tester (TDS) Discontinued Please See COM-80 HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water... Add to Wish list Compare
