Seriously? 50/50?
Even the most strict mix I can find that is guaranteed to kill all germs is;
Clorox Bleach to Water Ratio For Disinfectant (NON-FOOD SURFACES)
Use ½ cup of Clorox® Regular-Bleach per GALLON of water
(This is a ~2500 ppm chlorine mixture using today’s concentrated 8.25% REGULAR bleach)
(Informational sources listed below)
Bleach to Water Ratio For Disinfectant (FOOD CONTACT SURFACES)
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Disinfectant Bleach-Water Ratio
September 14, 2014, by Ken Jorgustin
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Bleach is one of the most widely available and affordable disinfectants on earth. Clorox® brand liquid bleach was introduced in 1913 and has played a critical role in helping to protect public health by killing germs that cause illness.
For years, bleach has helped purify water – particularly during times of disaster, and has been a disinfectant to help kill germs that can make people sick, including MRSA, Staph, and Norovirus.
Disinfecting frequently touched surfaces is essential for prevention. Germs and viruses can thrive in the kitchen, bathroom, baby’s room and laundry room, especially around toilets, sinks, faucets and bathtubs.
The World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC) – recommend the use of bleach for controlling the spread of pathogens that can cause infections and other health threats.
Here is the recommended bleach to water ratio for disinfection:
UPDATED
——————————————————
Clorox Bleach to Water Ratio For Disinfectant
(NON-FOOD SURFACES)
For cleaning, sanitizing, and disinfecting surfaces such as bathtubs, sinks, faucets, tile, plastic toys, potty chairs, high chairs, changing tables, floors, appliances, countertops, garbage cans, walls, light switches, etc..
Use ½ cup of Clorox® Regular-Bleach per GALLON of water
(This is a ~2500 ppm chlorine mixture using today’s concentrated 8.25% REGULAR bleach)
Bleach to Water Ratio For Disinfectant (FOOD CONTACT SURFACES)
For cleaning food handling equipment and food contact surfaces such as plastic cutting boards*, stainless cutlery, dishes, glassware, pots and pans, stainless utensils, pet bowls, teething rings,
Use 2 teaspoons of Clorox® Regular-Bleach per GALLON of water
(This is a ~200 ppm chlorine mixture using today’s concentrated 8.25% REGULAR bleach)
How Much Bleach With Water For Ebola Virus Disinfection
Add 1 part bleach to 9 parts water (1:10 dilution factor)
Sources:
Oklahoma State University; Food & Agricultural Products Research & Technology Center
University of California; UC Food Safety
Clorox
http://modernsurvivalblog.com/health/disinfectant-bleach-water-ratio/http://ncchildcare.nc.gov/pdf_forms/bleach_solution_fact_sheet.pdfhttp://ucfoodsafety.ucdavis.edu/files/26437.pdfHowever, bleach is also one of the most harmful disinfectants to human health and has been linked to respiratory problems and birth defects. Bleach may also be hazardous to wildlife and the environment. There are greener alternatives in disinfecting wipes and cleaning sprays, however, these eco-friendly choices may not be as effective in killing bacteria and viruses. Also note that both bleach and greener bleach alternatives are intended to disinfect surfaces in the home and are should not be used on the skin.
http://www.mnn.com/health/healthy-spaces/stories/disinfectants-a-guide-to-killing-germs-the-right-way½ tablespoon
bleach/pint water
1 tablespoon
bleach/quart water
¼ cup
bleach/gallon water
http://www.oregon.gov/OCC/docs/Sanitizing-Disinfecting-Final3-2012.pdfHigh level disinfection (approximately 5000 ppm) Preparing a 1: 10 Household Bleach Solution: • 62 ml ( 1/4 cup) household bleach + 562 ml ( 2 1/4 cups) water • 250 ml (1 cup) household bleach + 2250 ml (9 cups) water
1. Disinfecting Bleach Solution (use for disinfecting hard, non-porous surfaces like sinks, showers, bathtubs, countertops, glazed tile, vinyl, floors)—Wash, wipe, or rinse surface to be disinfected with water. Add ½ cup Concentrated Clorox® Regular-Bleach to 1 gallon water; apply bleach solution to surface; let stand 5 minutes. Rinse thoroughly and air dry.
Read more at
https://www.clorox.com/dr-laundry/making-sure-you-dilute-bleach/#g2AcOqiemEf3p5md.99Over the past few years, I have gotten the impression that many people are using chlorine bleach in an unsafe manner. Chlorine bleach aka sodium hypochlorite is a powerful disinfectant and is one of only a few widely available, inexpensive sanitizing agents. It is so powerful that it should only be used in fairly low concentrations.
When sanitizing food preparation areas: counters, tables, sinks, knives, and cutting boards. All surfaces should be washed to remove organic materials (food bits and dirt) and rinsed. It is only at this point that the items should be sanitized with a bleach solution of approximately 200ppm.
This is about 1 TBSP of chlorine bleach per gallon of water. Did you catch that?
Let me repeat it.
The proper dilution of chlorine bleach for sanitizing food preparation surfaces is 200ppm or 1 TBSP per gallon of warm water.
http://www.home-ec101.com/how-to-use-bleach-safely/1 cup to one gallon
https://www.cdc.gov/disasters/bleach.htmlBleach solutions can be corrosive or irritating to eyes, skin
and the respiratory tract.
http://multimedia.3m.com/mws/media/735976O/disinfection-with-bleach-tech-talk.pdfhttp://www.info.gov.hk/info/sars/en/useofbleach.htm•
Solution 1: Sanitizing food contact surfaces - ¼ teaspoon bleach +1 quart water
Solution 2: Sanitizing diapering surfaces including areas contaminated by blood
or bodily fluids – 1 tablespoon bleach +1quart water
•
Solution 3: Sanitizing toys that have had contact with the mouth – 1 teaspoon
bleach +1 gallon water
http://www.nfsmi.org/documentlibraryfiles/PDF/20120713093708.pdfA variety of liquids, including dilute bleach and alcohols, also kill spores. However, these methods also require considerable equipment manipulation. The equipment must be dried and free of fumes before it could be used by the bees.
http://www.beeccdcap.uga.edu/documents/CAPArticle6.htmlChlorine Bleach is a strong corrosive material. It will irritate the eyes, skin and the respiratory tract by merely inhaling the gasses.
Sodium hypochlorite - Household Bleach. SALT is the residue it will leave behind if used in too strong of a concentration, and the bees WILL try to clean this from the frames.
AND.. since 99% of the bees in the hive are female I thought this a VERY important fact to post here;
chlorine has also been strongly linked to breast cancer.
http://sandysnaturalsolutions.com/dangers-of-bleach-and-a-solution/Okay, so the last line was just a joke... BUT....
I am going to step forward and revise what I said earlier. DO NOT use a 50/50 mix.. unless you are going to rinse the frames. It leaves behind a residue that could be armful to the bees.... The most heavily concentrated mix I can find any mention of is one cup of bleach to one gallon of water.
To be perfectly honest, 30 + years ago we scraped down frames and put them into strong hives. Perhaps it was just not known what was going on, but I do not recall massive losses of bees from nosema... of course I believe there was only one type of nosema back then too, so that may be a bit off base. However, the chance that I am leaving behind a reidue EVEN at the One cup to One Gallon mixture is too high, when a lesser solution will effectively destroy most Nosema spores...
I have been searching diligently through the "more famous" websites from renowned beekeepers attempting to find an effective mixture for disenfecting frames and or comb... I cannot seem to find any that have any scientific backing.. Even Randy Olivers site does NOT list Bleach as a means of treating frames or comb... rather, he advocates storage of the frames, heat, or vinegar;
Another proven method to fumigate combs is with concentrated acetic acid (the “active ingredient” of vinegar). This is a time-honored practice that is mentioned in all the bee books, yet surprisingly, is illegal! No one has registered acetic acid as a pesticide for nosema. So if you do use it, make sure that you are applying it as a “comb freshener”– not as a nosema treatment!
http://scientificbeekeeping.com/the-nosema-twins-part-5-alternative-treatments/ What I can say for sure is that if it can harm you, it certainly can harm the bees. I certainly do not want to wipe the toilet seat down with 50/50 solution and then set my tender tushie on that seat day after day.
Having said all of that.. if you have been using a 50/50 mix and have seen no side effects... Awesome! Take notes, try some hives with a lesser solution and compare the results, and let us ALL know what those results are. To me... it is not worth the chance of harming the bees, at least until I have some solid evidence stating that such a strong concentration is safe for the bees..
Hope that didn't come across as nasty or anrgy, thats nothow it is meant, since it is my own opinion backed only by what I could find doing a few searches.
Scott
Ted posted while I was typing... hope the above answers some of the questions!
