Dry within the small washing machine using a clean towel. Make sure every nook and cranny is dry. Open the tub door and let air dissipate inside. One of the causes of a musty washer happens because the odor of detergent, bleach, fabric conditioner mingled with excess water with minerals is cooped up inside. Let you washer breathe.
Be careful to never use a lot of detergent when you use your washer. Using a lot of detergent might cause animal fat accumulation and will also then make your washer maintenance a lot more difficult.
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You may also try using lemon juice and salt. Slice one lemon and dip it in salt and then use it to scrub the wall from the tub.
The next thing you should do is to use the baking soda paste. Just mix a certain amount of water with baking soda and scrub this about the walls of your washer. It eradicates the accumulated dirt and grime around the tub's walls with the hardened detergent residues. The detergent residues actually contain animal fats therefore it can go rancid overtime and result in a smelly and musty washer. This will go for rid from the smell through the vinegar.
The next thing you should do is to use vinegar solution. Vinegar can help dissolve the stubborn dirt and grime clinging on your tub's wall along with the lime residues that has collected from the water. Add about single serving of white vinegar and run a clear hot water cycle.
Once your washer's tub is already spick and span, run a clear hot water cycle to completely clean off the baking soda residues and the sloughed off dirt and grime. Let it finish and drain properly.
Some individuals don't like to use vinegar given that they think it's going to cause the tub to rust. If you are using a stainless steel tub, this certainly will not be a problem. Besides, you are going to run jail water cycle again from then on to get rid of the vinegar solution.
Right after washing your clothes, read the flow of water in your washer. If there are excess water left inside, this means your washer's drainage method is not working well. You might want to do a little quick inspection to learn what is causing the improper drainage flow.
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