HM Digital Waterproof EC/TDS/Temperature Meter pumps-&-irrigation shiny black beetle that feeds

shiny black beetle that feeds on several species of whitefly

Main Power Voltage: 240V

Size:  10" top

Biobizz advises a dose of 1-4ml per liter water

The SuperCloner 50-Site Hydroponic Cloner System truly takes the guesswork out of growing

HM Digital Waterproof EC/TDS/Temperature Meter pumps-&-irrigation shiny black beetle that feedsHM Digital COM100 Water Quality Testing Meter. Waterproof. Measure EC TDS. Temperature Tester. IP 67 rating. Factory Calibrated. Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM 100 is a professional level EC TDS meter at an unbeatable price.