Ammonia. Compost piles smell like ammonia when they give off excess nitrogen (N) in the form of ammonia (NH3). This problem occurs most often if a composter has been adding high-nitrogen products. The smell signals that the pile has a surplus of nitrogen from too many green materials.
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Why does my compost bin smell like ammonia?
Ammonia. Compost piles smell like ammonia when they give off excess nitrogen (N) in the form of ammonia (NH3). This problem occurs most often if a composter has been adding high-nitrogen products. The smell signals that the pile has a surplus of nitrogen from too many green materials.

How do you fix compost that smells like ammonia?
When mulch smells like ammonia, simply turn it frequently and mix in straw, leaf litter or even shredded newspaper. Avoid adding more nitrogen-rich plant matter such as grass clippings until the smell is gone and the pile is balanced.
How do you fix a smelly worm farm?
My worm farm smells… Get lots of air into the system by “fluffing” up the top layers and mix in lots of carbon matter – shredded cardboard, newspaper, dried mulched straw or leaves. Don’t add more food until the smell disappears and your worm farm is back in balance.

How should a worm bin smell?
Your worm bin should always smell like fresh garden soil, and in fact, should produce no odor at all. If there is a foul smell coming from your worm bin, it’s a clear sign that your system is out of balance.
What happens if you smell ammonia?
Exposure to high concentrations of ammonia in air causes immediate burning of the eyes, nose, throat and respiratory tract and can result in blindness, lung damage or death. Inhalation of lower concentrations can cause coughing, and nose and throat irritation.
Why does it smell like ammonia outside?
Outdoors, you may be exposed to high levels of ammonia gas in air from leaks and spills at production plants and storage facilities, and from pipelines, tank trucks, railcars, ships, and barges that transport ammonia.
Why does my worm bin smell?
My worm bin smells. Most bad smells are caused by anaerobic bacteria. Good aeration is key in keeping odors down in the worm bin. Sometimes getting in and fluffing up the bedding can help keep things aerated. Too much moisture can also cause bad smells.
How do you balance pH in a worm bin?
If the bin is too acidic (pH lower than 6.0), then add some crushed dried egg shells or granulated limestone to neutralize the acid (never use harsh pool chemicals as this can kill the worms). Loosen the worm compost by mixing in some moist shredded newspaper, coconut coir, etc.
Why is my worm bin heating up?
Your worm bin overheating typically indicates you’ve departed the realm of worm composting into simple rotting, which can resemble thermophilic or hot composting.
Should I be concerned if I smell ammonia?
If you can smell ammonia, health effects are possible. If strong ammonia odors are present in your home or environment, and if eye, nose, or throat irritation is occurring, leave the area and call the fire department. If someone has swallowed ammonia, call 911.
Why do I keep smelling and tasting ammonia?
If the kidneys aren’t functioning well, waste materials may build up in the body. Those materials can produce an ammonia-like smell that you may notice in the back of your nose. You may also have an ammonia-like or metallic taste in your mouth.