They thrive on bacteria, try some Clorox down the drain in a well ventilated area . Let it stand or you can pour scalding hot water down the drain to kill then instantly and no odor
Gnats come from eggs laid by other gnats. The eggs are so small that you may not know they are there. Potted plants and drains are the most common areas in a house where you would find them.
no water does not cause gnats it just attracts them
Improper venting.
Whether or not an incident is covered under a homeowners policy is mostly dependent on the cause of the loss. I cannot think of any cause of loss that would be covered for damage to French drains. The only damage I can consider for French drains would be due to maintenance and maintenance is not covered on insurance.
Yes, gnats do urinate. If a gnat urinates on the skin it can irritate the skin and cause it to burn or itch.
From Research, It is possible! I have learned that gnats are mostly found coming up out of plant pots(the soil part) But gnats would probably like kitty litter it is dirtyish! I have never seen gnats in kitty litter though!
If the cage is kept clean all the time and devoid of rotting fruit etc. with de-lousing powder on the floor of the cage this should stop the gnats and flies.
Gnats do not give humans diseases. A mosquito is a type of gnat and has been said to carry disease relate to human deaths.
Vinegar won't get rid of them, only trap some adults keeping them down. If you have small flies breeding indoors it is keyed to moisture- leak in a wall, overwatered plants, drains, etc. Find that source and dry it out and they will die out. If it's fungus gnats from a plant, Take it outside.
bleach
GNATS was created in 1992.
no gnats don't even have vertebrate