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What is that smell under the sink?
Signs Of The Pests Causing The Unpleasant Smell
How To Get Rid Of This Smell
Professional Solution That Actually Works
CEO at AnchorPest Services
Updated November 23
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With over 20 years of experience, Anchor Pest offers personalized, chemical-safe treatments for homes and businesses across Manchester and surrounding counties
The smell under your sink could be caused by a variety of factors, but it often starts with a pest problem. Unwanted pests, such as rats or mice, may find their way into your home and can leave behind droppings or urine, which can create an unpleasant odor. Additionally, dead pests can cause a particularly strong and foul smell as they decompose.
There are other potential sources of bad smells as well. Often, pipes can accumulate food particles, grease, and mold, creating a biological growth situation, which emits odors. These smells can range from a musty, damp scent to a more rotten odor, depending on the specific issue. Worn-out seals on plumbing fittings or drains can also allow sewage gases to escape, contributing to the unpleasant smell.
In locations like Nashua, New Hampshire, where humid conditions may be more common, it’s possible for moisture under the sink to lead to the growth of mold or mildew. This can create musty smells that may be mistaken for something more serious.
Overall, the smell under your sink is an indicator that something needs attention, whether it's related to pest activity or issues with plumbing and waste buildup.
Professional pest control eliminates troubles immediately. Our safe, effective treatments protect your loved ones from dangerous diseases.
Finding small, dark droppings or urine stains under the sink is a strong sign that the smell is coming from pests. As these droppings build up, they break down and release a sharp, unpleasant odor that can resemble ammonia. Even if you clean the area, new droppings appearing regularly indicate ongoing pest activity that continues to produce bad smells.
A powerful, sour, or rotting smell that gets stronger over several days may indicate a dead pest trapped under or behind the sink area. As the body decomposes, it releases gases and fluids that create a very intense and localized odor. This smell is often much stronger and more putrid than typical plumbing or mold-related odors.
If you notice shredded materials, gnaw marks on pipes or cabinets, or greasy rub marks along surfaces, the odor is likely linked to a pest nest. Rodents and insects bring food scraps and nesting materials into hidden spaces, where they can rot and support biological growth. This combination of waste, food debris, and moisture produces a distinct, lingering smell associated with ongoing pest activity.
To get rid of pests in your home, it's important to follow a systematic approach. Here are effective methods to eliminate unwanted pests:
Identify the Pests
Start by identifying the type of pests you are dealing with. Common household pests include:
Understanding what you’re dealing with will help you choose the right method to eradicate them.
Seal Entry Points
Inspect your home for any cracks or openings where pests might enter. Seal these entry points using:
This will help prevent new pests from entering your home.
Maintain Cleanliness
Keep your home clean and tidy to eliminate food sources for pests. Focus on:
A clean environment makes it less inviting for pests.
Use Traps and Baits
For pests that have already entered your home, use traps and baits specific to the type of pest. Options include:
Place traps in areas where you've noticed pest activity.
Employ Natural Remedies
Consider using natural pest control methods, which can be effective and safer for your home and family. Some examples are:
These solutions often have fewer harmful effects compared to chemical pesticides.
Consult Professionals
If you are dealing with a large infestation or if your attempts to control pests haven’t worked, it may be time to call in a professional pest control service. They have access to:
This can save you time and ensure the problem is handled efficiently.
Monitor and Prevent Recurrence
After eliminating the pests, continuously monitor your home for signs of their return. Maintain your cleanliness routines and regularly check for new entry points. Consider:
Proactive measures can help prevent future infestations.
Professional pest control eliminates troubles immediately. Our safe, effective treatments protect your loved ones from dangerous diseases.
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Our certified technicians eliminate pests infestations completely and permanently.
Here's what you get:
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Trained experts identify entry points and nesting areas
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Pet and family-friendly methods used
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Targets entire colony, not just visible insects or rodents
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Long-term exclusion strategies
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Proper cleanup and sanitization
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Service warranty and follow-up visits
Complete property assessment within 24 hours
Safe, effective treatment of entire colony
Long-term exclusion and monitoring
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