| | | | | Finally, many floorcare product manufacturers will |
| Chlorine bleach has been used as a general germicide | | | | not stand be-hind the performance of their floor |
| for many years. In fact, some state health | | | | polishes if they are main-tained with chlorine bleach. |
| departments still recommend it as a sanitizer and | | | | |
| disinfectant. Chlorine bleach is also much cheaper | | | | Worker Safety – Chlo-rine is a strong irritant to |
| per gallon than hospital-grade disinfectant cleaners. | | | | human tissue. Violent reactions also can occur when |
| With all this going for it, why doesn’t everyone | | | | chlorine bleach is mixed with amines. The reaction |
| use it? | | | | of chlorine and bowl cleaners containing hydrochloric |
| | | | | acid can release deadly chlorine gas. Every |
| Here are some facts you should consider before | | | | housekeeper’s nightmare is a vision of the |
| adding bleach to your arsenal of maintenance | | | | “new guy” keeled over, head first into a |
| products: | | | | toilet bowl, after adding a little bleach to help the acid |
| | | | | bowl cleaner brighten a little better. |
| | | | | |
| | | | | |
| Chlorine is a strong oxidizing agent. In recent | | | | |
| tests, chlorine bleach was exposed to samples of | | | | Shelf Life – In just a short shipping and |
| commercial-grade copper, cold rolled steel, and | | | | storage time,an industrial concentration of 12 percent |
| alu-minum. The copper samples dis-colored in three | | | | can fall to 7 to 10 per-cent. Efficacy – Chlorine |
| hours and showed green corrosion in 24 hours. | | | | bleach works best in a slightly acid to neutral pH |
| Aluminum showed signs of corrosion within 24 hours, | | | | range. Alkaline soils must be removed prior to using |
| and on the surface of cold rolled steel rust formed | | | | the bleach to prevent the chlo-rine from losing |
| within 30 minutes. | | | | effectiveness. In other words, the surface must be |
| | | | | clean if the chlorine (hypochlor-ite) is to have any |
| Some grades of stainless steel also can be damaged | | | | significant effect. The only way you can be assured |
| from the use of products containing chlorine. A | | | | of killing organisms you want to control is to |
| process known as “hydrogen embrittlement” | | | | experiment with different ages/concentra-tions of |
| may occur as the chlorine bleach attacks the stainless | | | | the product and test the surfaces after use. |
| steel,trapping hydrogen gas in the pores of the | | | | |
| metal. Over time, the hydrogen can be released, | | | | |
| resulting in weakened metal. It is especially | | | | |
| damaging to welded joints. | | | | Cleaning Ability – Com-pared to modern |
| | | | | disinfectant cleaners, chlorine bleach does not |
| | | | | compare in cleaning ability. If you are trying to clean |
| | | | | and control germs simultaneously, consider one of the |
| The American Concrete Insti-tute also cautions | | | | newer form-ula disinfectant detergents. With dilution |
| that sodium hypochlorite (chlorine bleach) will slowly | | | | rates as low as 1:256, proven efficacy, longer shelf |
| disintegrate concrete and portland-based mortars or | | | | life, and a less-corrosive nature, you might find the |
| grout. | | | | new disinfectant detergents are much better |
| | | | | bargains than chlorine bleach. |
| | | | | Hydrogen peroxide + citrus cleaner= Germicidal all |
| | | | | purpose cleaner! |