YINMIK 4-in-1 pH EC tester Hydroponic Accessories it won't harm the beneficial

it won't harm the beneficial bacteria

and slightly peppery taste

Dual power inputs easily switch voltage from 120 to 240 volt power

Item Material:Durable Non-toxic polyester mesh and steel enough to provide sturdy support

Nutrilife H2O2 (29%) makes it easy to increase oxygen levels around the root zone

YINMIK 4-in-1 pH EC tester Hydroponic Accessories it won't harm the beneficial{One click access to the temperature pH EC value of hydroponic nutrients solution} YINMIK 4 in 1 pH EC tester is a professional tester for hydroponic growers. The pH ppm mode is designed for hydroponic basic reservoirs, and the pH EC mode is designed for hydroponic nutrient solutions. The pH and temperature of this product are always displayed on the screen. {Latest upgraded version of Hydroponic Tester} This pH tester can be immersed for a long time.