VIVOSUN Wireless Thermometer and Hygrometer Media the silver re-stabilises other hydrogen

the silver re-stabilises other hydrogen peroxide molecules

helping to reduce hotspots and create a more uniform canopy

Great for use before harvest and also in the case of over-fertilisation

It is used by plants to strengthen cell-walls which then increases plants resistance to fungi and insects

They're lightweight

VIVOSUN Wireless Thermometer and Hygrometer Media the silver re-stabilises other hydrogenVIVOSUN Wireless Thermometer & Hygrometer 3 Sensor Indoor Outdoor Grow Tent Monitor The Vivosun Wireless Thermometer & Hygrometer gives you complete oversight of your grow environment, indoors and out. With three separate wireless sensors, you can track temperature and humidity across different zones; from inside your tent, to your lung room, to outside conditions. Clear digital readouts, wireless connectivity, and accurate data make it easy to spot