Yes. There is no pressure involved, so most anything set over it will be enough or a wad of paper in the flange.
Slab-a covering that prevent the gas from the toilet escaping into the atmosphere Lining-help keep the toilet stable
If you are on a septic system, it is plugged.
no more then 10 -15 minutes MAX
You could do that but you would need a trap to stop sewer gas from coming in. The toilet has the trap integrated into it. If you have access to underneath then you could add one.
Awful.
methane gas
Awful.
The man who invented the toilet--John Harrington--was an English nobleman. The infamous Thomas Crapper didn't invent the toilet, but he DID invent, among other plumbing products, the drain trap--a more important product than the toilet, as it made plumbing safe to have in your home. The trap keeps poisonous sewer gas from entering your house.
In 1775 an English watchmaker named Alexander Cummings improved the design of early toilets by adding a water trap in the sewer pipe to stop gas and odor from entering the toilet room.
There is no permanent health effect of sewer gas odors but it can make one nauseated to smell the odor.
Yes, sewer gas can be explosive as it is generally a combination of methane, hydrogen sulfide and a variety of other noxious gases.
If the gas jar is standing with its opening to the top, then the escaping gas is Hydrogen. If the gas jar is being held upside down ( opening to the bottom), then the escaping gas is carbon dioxide.