Preventive disinfection is most easily available at home is 84 disinfectant, dilution 84 disinfectant must read the instructions, different manufacturers of 84 disinfectant concentration is different, some may be 2 × 10^4mg/L concentration, some may be 10 × 10^4mg/L concentration, the final role of the concentration is 250-500mg/L. Need to determine the concentration of 84 disinfectant itself according to the Dilution times. If it is a 2% 84 disinfectant solution, it needs to be diluted 80 times, if it is a 10% 84 disinfectant solution, it needs to be diluted 400 times. After dilution, it should be noted that it should be used immediately, as its concentration will decrease after a long time, so for 84 disinfectant, emphasis should also be placed on ready-to-use. Content source: Dr. You Lai