Hy-Gen Probe Cleaning Solution - 500mL benefical-microbes silica must be present at

silica must be present at all times in the nutrient solution

As an additive to soil it will increase beneficial microbial activity

Internal temperature plug

Nozzle cover prevents any spillage

Hy-Gen Probe Cleaning Solution - 500mL benefical-microbes silica must be present atProbe Cleaner It is recommended that the electrodes be cleaned regularly with HY GEN Probe Cleaner solution. It is recommended that you clean your meter before calibrating or storing it. This will ensure that it operates with accuracy and precision once calibrated. Always keep your pH electrode stored in HY GEN pH Electrode Storage solution when not in use. pH electrodes may show slow response due to the build up of organic and inorganic contaminants