Seal crevices and holes around your drain pipes with caulk, plaster, or cement. Look for gaps around the pipes under your sink. Fill these gaps with silicone sealant or urethane foam. You can fill larger holes with steel wool or copper mesh before you seal them.
-Vinegar and baking soda kills roaches. Put 1/2 cup of baking soda in the drain, then 1/2 cup of vinegar and close the drain (distilled white vinegar is best cause it is cheap and strong, others can work but I recommend saving other vinegar types for food). Wait several minutes and then run hot water down the drain.
For example, adult drain flies love to feed and breed in slow-moving or clogged drains because they provide plenty of decomposing material in which to lay their eggs. If any of your drains are noticeably backed up, chances are those are the source of the problem.
Bleach will absolutely kill drain flies.
Mix three parts boric acid with one part powder sugar. The waterbugs will feast on the powdered sugar, and the boric acid will kill them.
Smells that can help keep water bugs away include peppermint, eucalyptus, or tea tree.
What Can You Do To Keep Drains Clean and Roach-Free? There are a few things that can be done to keep the drains as clean as possible. This can be done naturally by pouring about 1/4 of a cup of baking soda down the drain and following it with 1/2 a cup of vinegar.
If your drain fly issue persists, consider using commercial drain cleaners such as Drano. These solutions are formulated to clear out the drains and pipes effectively, removing any debris that might serve as a breeding spot for drain flies. Using these products can aid in preventing new eggs from hatching.
A simple yet effective method is pouring a cup of baking soda into the drain, followed by an equal amount of vinegar. This combination not only disrupts the living conditions for pests but also helps in breaking down minor blockages.
What Causes Water Bugs in Your House? Although giant water bugs are more likely to be found outdoors than indoors, their preference for very wet environments, leaky pipes, wet sinks, or areas of standing water can bring “Oriental cockroach” water bugs indoors.
2) Pesticides – Anything that is categorized as a poison should not go down your sink. This includes insect killers, rat poison pellets… anything you use to get ride of unwanted critters and weeds. This stuff gets into the systems and causes environmental harm, and you definitely don't want poison residue in your sink.
Some strong scents, such as lavender and mint, have been known to repel cockroaches.
Clear your drains
Clear clogged sinks by pouring a solution of one part borax to four parts boiling water down the drain. Let it sit for 15 minutes and then flush with hot water. Here are a few tips for making a homemade drain cleaner.
A dried-out p-trap allows for flies to access the drain through rooftop vent traps.
Clegg's Pest Control does NOT recommend pouring bleach down a drain to kill roaches or any other reason (including monthly cleaning). Most people know that bleach sprays can be used to kill errant roaches that skitter around your floors. Bleach can kill roaches on contact.
Pouring boiling water is quite risky as it might lead to a steam burn or scalding. Another thing to keep in mind is what type of material you are pouring in into. If you have a porcelain sink, it is likely to crack due to the heat. All in all, pouring boiling water down your drain will only cause issues down the road.
Although vinegar can effectively be used as bait for fruit flies, its scent effectively helps to mask the odor of other cockroaches but doesn't get rid of them.
Make a natural cleaning/fly killer mixture.
Mix together 1/2 cup of salt, 1/2 cup baking soda and 1 cup of vinegar. Pour the mixture down the drain. Let sit overnight, then flush the drain with hot water in the morning. This should kill all flies and the organic material they've been feeding on.
Check If Your Drains are Clogged
Regularly checking for bugs in drain and unclogging can keep bugs out and ensure your pipes are working correctly. Adult drain flies and other drain bugs love clogged drains because of the moist environment they provide for the flies to lay their eggs.
Baking Soda, Boiling Water & Vinegar
The pour half a cup of bicarb soda down the sink as well, followed by a half cup of white vinegar. Let it settle for a few minutes then poor some more boiling water down the drain. Follows these steps every few days until the drain flies have completely disappeared.
How to Get Rid of Waterbugs or Cockroaches. Control of these cockroaches is best with the use of several techniques. Potential cockroach food, water, and shelter sources should be reduced as well as exclusion and sealing of crack/crevices. Product application also may be used such as cockroach baits if needed.
Home remedies: Natural solutions can be effective in managing a water bug infestation. A spray bottle filled with a mixture of water and essential oils like peppermint or eucalyptus can deter these pests. Similarly, food-grade diatomaceous earth scattered around potential entry points can act as a deterrent.
Bugs hate the smells associated with repellency, such as lavender, citronella, vinegar, peppermint, and geranium. These oils are considered a natural way of driving away bugs from your home without harming you, your family, and other animals.