Please, I need some help with my math. In my latest post I shared the CDC guideline of cleaning up possible contaminated treatment areas with a 1:100 chorine solution and cleaning up obvious blood and other bodily fluids with a 1:10 solution. A commenter asked how to mix those ratios using powdered pool chorine. Heres my answer (Please check my calculations to make sure Im correct). OK, a 1:10 solution for 5% liquid chorine bleach is 0.5 percent and a 1:100 is 0.05 %. Pool bleach is around 78 percent hypochlorite (bleach). 1 cup equals about 28 gms. So if I took 1/4 cup (7 gms) of 78 percent hypochlorite, thats 5 gms of pure bleach. And if mix it in 1 liter (about a quart) of water that would be 5/1000 = 0.005 or 0.5 percent bleach. So, to make a 1:10 solution of bleach, youd mix 1/4 cup of the 78% hypocrite powder into 1 liter (or quart) of water. To make a 1:100 solution, youd mix 1/4 cup into 10 liters (10 quarts, or 2 1/2 gallons) of water. Am I right?
Posted on: Fri, 25 Apr 2014 17:16:04 +0000
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