Vaccum them. Both sides. Spray a linen spray on them or Febreeze and try to get them in sunlight if possible, flip on both sides. Respray. Let dry
This is almost impossible, you are better off to trash them, the reason being, that smelly mattresses may also breed a lot of bacteria and mites!
The musty smell coming from your vents could be caused by mold or mildew growth in the HVAC system. It is important to have a professional inspect and clean the system to address the issue.
Your dehumidifier may smell musty due to mold or mildew growth caused by excess moisture. To get rid of the odor, you can clean the dehumidifier with a mixture of water and vinegar, ensure proper ventilation in the room, and regularly empty and clean the water reservoir. Additionally, using a dehumidifier with a built-in air purifier or adding baking soda to absorb odors can help eliminate the musty smell.
The musty smell in your house when the heat is turned on could be caused by mold or mildew growth in your HVAC system or ductwork. It is important to have a professional inspect and clean your system to address the issue.
"The musty smell of the attic filled my nostrils" BWHAHAHAHAHAHAH
Your air conditioner may smell musty due to mold or mildew growth in the unit. To get rid of the odor, you can try cleaning the air filters, evaporator coils, and drip pans. You can also use a commercial cleaner or a mixture of water and vinegar to clean the unit. Regular maintenance and keeping the area around the unit clean can help prevent musty odors in the future.
The first step to getting a musty smell out of a closed up house is to open the windows. You will also want to burn some candles. Spraying Lysol will also help get rid of the musty smell.
The smell of calcium chloride is generally described as a musty or slightly pungent odor. It is often likened to the smell of damp or musty basements.
The musty smell that Brian notices when he wakes up is caused by the dampness and mold growth in the shelter. The combination of moisture and lack of ventilation can create a musty odor.
Bleach
Vinegar
That musty smell could be coming from mold in the carpet and or it's padding, as basements tend to be damp. You could have the carpet cleaned professionally or clean it yourself with a good carpet cleaner. If this is unsuccessful it may be necessary to replace the carpet padding or both the carpet and it's padding.