One alternative to bleach to remove gnats and flies from the rv black tank is enzyme drain cleaners. The only things you may want to bring along would be a aerosol can of insecticide for that occasional wasp or huge roach and a small baggy of granules that can be resealed once opened.
Rv Basics Fruit Flies Gnats And Flies
The insect granules are great for a soil barrier to keep bugs from marching up and into the camper.
Get rid of gnats in camper. If you don t have any vinegar in your pantry or you want to use a stronger pest control method to get rid of the flies in your drains you might consider using bleach for how to get rid of drain gnats. To utilize this method mix one cup of bleach with ten cups of water and pour it down the drain. Gnats can be a real pain and not much is available to get rid of them learn the best methods to get rid of gnats in rv especially.
The enzyme cleaners work because they attack the layer of film of organic material that the flies lay their eggs in and that the larvae use to develop into adult flies. For preventing flies and gnats in rv and boat bathrooms we recommend uri cide it kills the food source preventing fly and gnat egg and larvae infestations.