Simply cleaning the drain with a liquid drain cleaner will not remove the bacteria Moth Fly larvae feed on. Mechanically cleaning the drain with a stiff brush, cleaning agent and very hot water all the way to the trap is required to remove the bacteria, algae etc. Microbiotic drain cleaners can be helpful to minimize Moth Fly issues when used regularly. Call Us
If the source of the Moth Fly issue is a plumbing leak under the slab, it may be necessary to break a hole in the slab, repair the plumbing and remove and replace the contaminated soil.