I haven't got experience with the Virkon S, but Virkon was used at the hog barn I worked at a couple of decades ago and I can verify that it did not eat the paint off the walls. It was an all in, all out facility where the rooms (2 at a time) were pressure washed, disinfected with Virkon from top to bottom and then the rooms were bleached. This happened to the rooms every three weeks and the paint was never damaged from the disinfectant. (The industrial pressure washer did a number on the wall/paint though.)
However, I'll note what we were using was at diluted strengths. When they note on the instructions to use proper equipment when working with the product, please observe the warnings. A co worker sat on a 5 gallon pail of Virkon and there must of been product on the pail. It did cause a burn on her skin.
I use safety equipment when using Virkon (nitrile gloves for extended work/vinyl if it's just for a few things) coveralls, goggles and etc and I try to work with it outside and use a spray with larger spray droplets as opposed to a fine spray.
*The company's instructions also state the VIRKON S IS corrosive. They caution about observing specific maximum times for disinfecting items.
Follow the instructions as listed and you and the items you are using it on should be fine. I have yet to have any issue with it.
I use Virkon to disinfect all my chickenry supplies; prior to first use and intermittently throughout the year as I feel it's needed. I have a spray bottle of virkon that travels with me if I visit a chicken sale to disinfect shoes etc. I also use Virkon for disinfecting my incubator. I change it up a couple times a year with chlorhexidine disinfectant but I mostly use Virkon. I use the chlorhexidine for vet type procedures involving tissues.
*Important: The VIRKON solution loses effectiveness fairly quickly, in just a number of days. When I plan to do disinfecting, I make certain to have enough items to disinfect to make use of a mix.
I have both Virkon loose powder and the tablets. I much prefer the tablets.
The instructions Kiki gave you will be more accurate for your Virkon S and area in imperial measurements. My Virkon instructions gives me the percentage instructions in metric...lol. I hope I covered most of your questions. If you have any other questions, please feel free to ask.
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