How to calculate the amount of disinfectant placed in the third pool of the quarantine hotel

The proportion and method of disinfectant:

1. Taking 5% 84 disinfectant as an example, each liter of disinfectant contains 50 grams of effective chlorine, and the instructions require 100 times dilution , that is, 99 parts of water must be added to 1 part of disinfectant before it can be used. If you need a disinfectant with a concentration of 250 mg/L, add 1 part of disinfectant to 199 parts of water. The original solution of 84 disinfectant cannot be used directly and needs to be diluted before use.

2. In order to facilitate everyone's preparation, the bottle cap of 84 disinfectant has a capacity of about 10 ml. You can use the bottle cap as a measuring cup. When preparing, first put on rubber gloves and add a cap of 84 into the basin. Disinfectant, add 1000 ml of water, or fill a 500 ml bottle (one bottle of beer) with water, pour two bottles, and stir to mix. After 30 minutes of action, wipe with clean water. Open windows for ventilation 30 minutes after household spraying.